Physiotherapist beliefs and perspectives on virtual reality–supported rehabilitation for the assessment and management of musculoskeletal shoulder pain: a focus group study protocol

Niamh Brady; Jeremy Lewis; Karen McCreesh; Beate Dejaco; Joseph G. McVeigh

doi:10.12688/hrbopenres.13239.1

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Study Protocol

Physiotherapist beliefs and perspectives on virtual reality–supported rehabilitation for the assessment and management of musculoskeletal shoulder pain: a focus group study protocol

[version 1; peer review: 2 approved with reservations]

Niamh Brady ^1,2, Jeremy Lewis^3-5, Karen McCreesh^6,7, Beate Dejaco^8,9, Joseph G. McVeigh¹

Niamh Brady ^1,2, Jeremy Lewis^3-5, [...] Karen McCreesh^6,7, Beate Dejaco^8,9, Joseph G. McVeigh¹

PUBLISHED 27 Apr 2021

Author details Author details

¹ Discipline of Physiotherapy, University College Cork, Cork, Ireland
² Evolve Health, Cork, Ireland
³ School of Health and Social Work, University of Hertfordshire, Hatfield, Hertfordshire, UK
⁴ Therapy Department, Central London Community Healthcare National Health Service Trust, London, UK
⁵ Department of Physical Therapy and Rehabilitation Science, Qatar University, Doha, Qatar
⁶ School of Allied Health, University of Limerick, Limerick, Ireland
⁷ Ageing Research Centre, Health Research Institute, University of Limerick, Limerick, Ireland
⁸ Sports Medical Centre Papendal, Arnhem, The Netherlands
⁹ HAN University of Applied Sciences, Nijmegen, The Netherlands

Niamh Brady
Roles: Conceptualization, Data Curation, Formal Analysis, Investigation, Methodology, Project Administration, Writing – Original Draft Preparation, Writing – Review & Editing

Jeremy Lewis
Roles: Conceptualization, Formal Analysis, Supervision, Writing – Original Draft Preparation, Writing – Review & Editing

Karen McCreesh
Roles: Conceptualization, Formal Analysis, Supervision, Writing – Original Draft Preparation, Writing – Review & Editing

Beate Dejaco
Roles: Conceptualization, Data Curation, Formal Analysis

Joseph G. McVeigh
Roles: Conceptualization, Formal Analysis, Project Administration, Resources, Supervision, Writing – Original Draft Preparation, Writing – Review & Editing

OPEN PEER REVIEW

REVIEWER STATUS

Abstract

Shoulder pain accounts for a large proportion of musculoskeletal disorders and years lived with disability. Musculoskeletal shoulder pain is challenging to manage and while research evidence suggests that exercise should be a cornerstone of shoulder pain rehabilitation, the exact type and dosage of exercise is unclear. Adherence is a barrier to successful outcomes with exercise-based management of musculoskeletal pain, especially for those with co-morbidities, high pain levels and reported boredom associated with competing prescribed exercise. Virtual reality (VR) may offer an effective platform for rehabilitation of musculoskeletal shoulder pain. VR has been shown to be effective for management of acute and chronic pain conditions, for delivering education around various health conditions, and for supporting rehabilitation of neurological conditions. Therefore, it is possible that VR may have a role in the delivery of exercise and education for individuals with musculoskeletal shoulder pain. VR intervention design should involve several steps and begin with establishing early acceptability from users as to the suitability of the technology in clinical practice as well as potential barriers and facilitators to using the technology successfully. This study will therefore aim to explore physiotherapists beliefs and perspectives of immersive VR as a platform for assessment and rehabilitation in patients with musculoskeletal shoulder pain. Further, this study will inform the development of a VR intervention for use in the rehabilitation of musculoskeletal shoulder pain. A series of online focus groups will be conducted with physiotherapists in Ireland using a qualitative descriptive approach to data analysis. A six-phase process of data analysis will be carried out to identify important patterns and themes within the data. The current study will be the first to explore clinician’s perspectives on the role of VR in musculoskeletal practice.

Keywords

Virtual Reality, Immersive, Shoulder Pain, Musculoskeletal, Rehabilitation, Qualitative

Corresponding author: Niamh Brady

Competing interests: No competing interests were disclosed.

Grant information: No funding has been received for this study. Dr. Karen McCreesh who is supervisor of this study and co-author on this paper has previously received HRB funding for an unrelated study.

Copyright: © 2021 Brady N et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

How to cite: Brady N, Lewis J, McCreesh K et al. Physiotherapist beliefs and perspectives on virtual reality–supported rehabilitation for the assessment and management of musculoskeletal shoulder pain: a focus group study protocol [version 1; peer review: 2 approved with reservations]. HRB Open Res 2021, 4:40 (https://doi.org/10.12688/hrbopenres.13239.1) First published: 27 Apr 2021, 4:40 (https://doi.org/10.12688/hrbopenres.13239.1) Latest published: 25 Jan 2022, 4:40 (https://doi.org/10.12688/hrbopenres.13239.2)

Introduction

Musculoskeletal disorders are a major cause of years lived with disability¹ and shoulder conditions are between the second and fourth most common musculoskeletal disorder with a lifetime prevalence of up to 70%^2,3. Paloneva et al.⁴ found that in a population of individuals consulting primary healthcare for shoulder disorders in Finland, the average cost of treatment per patient per year was €543, with surgical procedures accounting for the highest overall cost. Of those who suffer with shoulder pain, approximately 70% continue to experience symptoms one-year post onset^4–7.

Exercise is recommended for musculoskeletal as well as general health^8–12. A non-surgical management approach including exercise therapy is recommended as first line management for the majority of individuals with musculoskeletal shoulder pain, although the best type or intensity of exercise is unknown. The literature suggests that exercise is superior to non-exercise-based therapy and specific exercise is superior to generic exercise for management of shoulder pain^13–16. A recent review by Malliaras and colleagues states that the evidence is unclear whether high dose is superior to low dose exercise for rotator cuff tendinopathy¹⁷. Unfortunately, adherence to exercise-based interventions for musculoskeletal pain is often poor¹⁸. Poor adherence is associated with high co-morbidities, psychological factors, pain, and boredom while performing prescribed exercise^19–21.

Virtual reality (VR), known for its popularity in gaming and entertainment has become an integral adjunctive management tool in various areas of healthcare, including pain management, neurological rehabilitation, and management of mental health disorders^22–24. Many of the mechanisms underpinning the effect of VR in other populations may be applicable in managing musculoskeletal conditions. However, little research has been carried out to investigate the feasibility and efficacy of VR as an adjunctive management tool for musculoskeletal conditions. VR-based interventions for use in musculoskeletal conditions require careful design and development, feasibility testing, pilot testing and randomized controlled trials to determine efficacy²⁵.

VR-based interventions have emerged for management of both acute^22,26,27 and chronic pain²⁸. Pain can become a barrier to exercise adherence and effective pain management while exercising in VR may improve engagement^29,30. Various mechanisms by which VR facilitates pain management have been proposed. These include distraction³¹, manipulation of somatosensory input and hence perception³² anxiety management³³ and graded exposure³⁴. Functional magnetic resonance imaging (MRI) shows that this may lead to alteration of activity in brain regions associated with the experience of pain^35,36. VR has been investigated and supported as a platform for exposure-therapy in the treatment of anxiety disorders and phobias^24,37–39. Indeed, VR exposure therapy has been recommended as a more practical and attractive option than exposure therapy in vivo²⁴. Again, this feature may be useful for individuals experiencing musculoskeletal pain and associated fear-avoidance behaviour.

Research suggests that VR may be a useful tool for educating patients and improving health literacy about various health conditions. This has been demonstrated with conditions such as atrial fibrillation⁴⁰ and testicular cancer⁴¹ where participants’ knowledge and awareness of the conditions improved post intervention. This also led to actual or intended behaviour change in relation to management strategies. This is a feature that may be useful when working with individuals with musculoskeletal conditions since management involves an active approach to rehabilitation and lifestyle change.

VR has been shown as a feasible and acceptable form of rehabilitation delivery for individuals with neurological conditions^23,42,43. VR has been shown to enhance motivation and adherence to exercise programmes which require high repetitions of prescribed movements⁴³. In healthy populations, active gaming, which combines VR with physical activity, may have a role in increasing physical activity levels by making movement more enjoyable and stimulating^30,44. Given the importance of therapeutic exercise and physical activity for general and musculoskeletal health, VR may have a role as a platform for exercise delivery in the management of musculoskeletal conditions.

A recent review by Lin et al.⁸ suggests best practice for the management of musculoskeletal conditions should include education and exercise. There is potential for both exercise and education to be delivered by a VR-based intervention. In addition, VR may help to facilitate adherence by making exercise more enjoyable, reducing pain, and providing instruction, feedback and activity monitoring^45–47.

VR technology is evolving rapidly, such that much of the literature demonstrating the utility of VR in various clinical settings has been carried out using non-immersive VR technology. Examples include the Nintendo Wii™ and Microsoft Kinect™ which present a computer-generated image of themselves onto a television screen. Newer “immersive” technology is based on the use of a head-mounted display unit which offers a multi-sensory experience for the user. This has implications, not only for somatosensory manipulation and hence efficacy but also for safety and feasibility. Therefore, research using up-to-date technology is indicated for exploring the utility of VR in a clinical musculoskeletal setting.

Birckhead et al.²⁵ recommend that VR-based intervention design should begin with direct input from both patient and provider end-users to optimize human-centered design, not least the acceptability of the intervention. By involving both clinicians and patients in the early stages of intervention design, it is possible to identify potential barriers and facilitators, which can then be addressed during development. Assessing acceptability early can highlight what aspects of the intervention can be modified to increase acceptability and thus participation⁴⁸.

Study aims

This study aims to explore physiotherapist beliefs and perspectives of immersive VR as a platform for assessment and rehabilitation in patients with musculoskeletal shoulder pain and to identify potential barriers and facilitators to using VR in a musculoskeletal setting. Further, this study will inform the development of a VR intervention for the rehabilitation of musculoskeletal shoulder pain.

Protocol

Design

This focus group study which is part of a larger mixed-methods study will use a qualitative descriptive design to explore physiotherapists’ beliefs and perspectives about using immersive VR in the assessment and rehabilitation of individuals with shoulder pain. Qualitative description was chosen for this research question as it aims to provide a straight description and detailed summary of the phenomenon of interest using participants’ own language⁴⁹. It therefore involves staying close to the data, through low-inference interpretation during data analysis⁵⁰. This qualitative approach is appropriate for this research question as it provides preliminary insight into a novel clinical intervention. Qualitative description is suited to health science research as it provides “factual responses” to questions about how individuals perceive their health experience and how they engage with healthcare, including barriers and facilitators to healthcare use⁵¹. Qualitative description allows for flexibility in methods of data collection and analysis⁵⁰, resulting in information and insight gained that is both broad and rich. Colorafi and Evans⁵¹ describe qualitative description as an “excellent choice for the healthcare environments designer, practitioner or health sciences researcher because it provides rich descriptive content from the subject’s perspective”.

Methods

A series of online focus group interviews will include physiotherapists working in Ireland. Focus groups will be conducted to explore not only what participants think about VR use in clinical practice but why they think such things. Focus groups allow for the emergence of important themes that may be overlooked in individual interviews with a more structured question schedule⁵². They also facilitate the exploration of shared and differing views between participants. Focus groups have also been identified as an appropriate method for informing product or intervention development⁵³. Research suggests that three to four focus groups, each including eight participants is sufficient to identify important themes⁵⁴. This study will aim to conduct a minimum of three interviews, each including six to ten participants. However, additional focus groups will be carried out as necessary until data saturation is reached.

Participants

In order to achieve study objectives, a minimum of three focus groups including between six and ten participants will be carried out. Literature recommends such numbers ensure that important themes are identified⁵⁴. Krueger & Casey⁵³ suggest that larger numbers (8 participants) are appropriate when the study is designed to pilot-test new ideas and when the participants do not have a lot of background knowledge about the topic. The research team will determine whether data saturation is reached on completion of the third focus group. Data saturation is assumed when the most recent focus group interview presents no additional themes. If new themes continue to emerge at this point, additional focus groups will be carried out until the research team is confident that data saturation has been reached. Purposive sampling will be used to recruit physiotherapists who work with individuals with musculoskeletal shoulder pain on a regular basis (minimum 10% total caseload). Representation will be sought from physiotherapists with varying levels of clinical experience and from a range of clinical work environments. Physiotherapists with variation in socio-demographic working environments and across public and private sectors will be recruited, as well as physiotherapists with and without previous experience of using immersive VR in any capacity (clinical or entertainment).

Recruitment

Participants will be recruited from acute hospitals, community hospitals, primary care centers and private practices in Ireland. A study information sheet⁵⁵ will be sent to individual physiotherapy departments and private practices. Regulating bodies, including the Irish Society of Chartered Physiotherapists (ISCP), and relevant clinical interest groups including the Irish Shoulder and Elbow Research Society (ISERS) will be contacted and requested to distribute study information to members via email. The study will also be promoted on social media platforms; Facebook™, Instagram™ and Twitter™. The information sheet will outline the study background, aims and design. If physiotherapists are interested in participating or wish to receive further information on the study, they may contact the Primary Investigator (PI), Niamh Brady by telephone or email. Participants will be sent a consent form with information sheet. Due to current coronavirus disease 2019 (COVID-19) restrictions, informed consent will be gained remotely once physiotherapists return a consent form with electronic or typed signature via email, indicating that they wish to participate. he PI will then speak to potential participants by telephone to assess appropriateness for inclusion in the study. Physiotherapists should meet the following inclusion criteria:

Have a minimum one-year clinical experience with a minimum six months’ experience working with musculoskeletal pain conditions. Shoulder pain presentations should account for minimum 10% of their caseload.
Willing to attend online focus group interview and consent to being video recorded.
Being able to converse in English.

Physiotherapists will be excluded if they:

Report suffering from severe motion-sickness
Have a history of seizures
Have a history of severe vertigo or vestibular impairement

Those physiotherapists who meet the inclusion criteria will be asked further questions to provide demographic information: gender, age, number of years’ clinical experience, current clinical setting, geographical location and previous experience of using immersive VR.,. Physiotherapists will then be invited to attend a focus group with date and time specified. Potential participants will be informed that they may opt out of the study at any time.

Procedure

Immersive VR Experience. For those who have not previously used VR, they will be provided with an Oculus Quest or Oculus Quest 2 VR headset for use at home prior to participation in the focus group interview. The headset will be delivered within six months prior to completion of the focus group interview. Participants may use the VR headset for up to one-week and will be advised to use the headset at least three times for a maximum of 20 minutes each time. To support their VR experience, participants will be shown an informative video, delivered via email, demonstrating how to safely use VR. They will be instructed to discontinue use if they experience adverse effects such as motion sickness and to inform the research team.

Participants will be invited to explore Oculus Quest’s native First Steps tutorial which guides the user on how to safely set up the VR environment and how to use the hand controllers for manipulating objects in the virtual world. In addition, participants will have the opportunity to experience the demonstration activities which are available on Oculus Quest including First Steps, a popular VR rhythm game called Beat Saber^TM, and a sports game called Sports Scramble^TM Participants will therefore have had the opportunity to experience immersive and interactive VR. They will have used their virtual hands to lift and throw objects, play table tennis, punch a virtual opponent in a boxing match, dance and explore a range of virtual worlds. Therefore, the VR experience will involve movement, concentration, and play.

COVID-19 precautions. In situations where physiotherapists are provided with headsets, these will be delivered in a cardboard box by post or in person, depending on geographical location and level of restrictions in place at that time. Prior to delivery, each participant will be contacted by telephone and asked a series of questions:

Have you been diagnosed with COVID-19 or have you been in contact with someone who has been diagnosed with COVID-19 during that last two weeks?
Are you experiencing COVID-19 symptoms: a fever, a cough, shortness of breath, change to sense of smell or taste?
Have you travelled overseas in the last two weeks?

If a participant answers “Yes” to any of the questions above, they will not be provided with a headset.

Participants will be instructed to clean the headset with disinfectant on receiving and before returning the headset (by post or in person). The postal box will include a pre-paid stamp so that participants have the option of returning the headset by post. Once the headset is returned, the headset will be cleaned again using disinfectant and stored in a locked cupboard for a minimum of four days, to further minimize infection risk. The PI (NB) will be responsible for distribution and collection of headsets in Ireland.

Focus group interview. Participants will be invited to participate in an online focus group interview, lasting approximately 60–90 minutes. Focus groups will take place between two weeks and six months of participants having used the technology. The focus group interviews will take place over a 6-month period (March– September 2021) With permission from participants, focus group interviews will be video recorded. Two members of the research team will be present to facilitate the focus group interview. The PI (NB) will use a semi-structured question schedule to guide the interview while an additional member of the research team (BD) will take field notes and ensure that video recording is in progress. The semi-structured nature of the question schedule⁵⁵ will give the PI flexibility to adapt questions and expand on new ideas as they arise^50,56. The interview questions will explore physiotherapists perspectives on how feasible a VR intervention may be in clinical practice and anticipated barriers as well as facilitators to the use of such technology. Interview questions will be piloted with two physiotherapists not included in the study beforehand to check for comprehensibility and clarity.. To encourage maximum engagement among participants, various strategies will be employed to make the interviews as informal and inclusive as possible. Participants will be encouraged to converse with one another and to contribute to all sections of discussion if they feel comfortable to do so. Participants will be reminded that there are no correct or incorrect answers and that they should feel comfortable to agree or disagree with fellow participants ideas. Participants will be encouraged to converse with researchers and each other on a first name basis. It will be suggested that participants feel free to take a break at any time and to bring along tea, coffee or snack as they wish.

Reflexive practice. Research team members will participate in a reflexive practice, prior to data collection and following each focus group interview. A refection diary⁵⁵ will be used to document individual researchers own relationship to the research topic and the participants as well as initial thoughts regarding codes and themes. This will help to enhance quality by identifying any potential biases that may influence data collection or analysis⁵⁷. In our case, all members of the research team are physiotherapists. This can act as a facilitator when communicating with participants of the same profession. On the other hand, research team members must be conscious not to project their own perspectives as physiotherapists onto the participants in the group, or indeed during data analysis.

Study setting

The focus group interviews will be conducted at University College Cork, online via Microsoft Teams.

Ethical approval

Ethical approval has been gained from UCC Social Research Ethics Committee prior to recruitment of physiotherapists.

Data collection and management

Prior to commencement of the focus group, basic demographic information will be collected including gender, age, number of years’ clinical experience, current clinical setting, geographical location and previous experience of using immersive VR, whether for clinical or entertainment purposes. This information will have been collected by telephone after initial screening. All demographic information will be stored in a research folder within UCC Microsoft Teams. This folder will be accessible only to members of the research team.

Further data collection will be in the form of focus group interviews. Interviews will be conducted via Microsoft Teams and will be video recorded using Microsoft Team’s native recording function. Permission for video recording will occur at two time-points; via completion of the consent form with attached information sheet which outlines the interview and recording process, and at the start of the focus group interview, before commencing the recording function. On completion of the focus group interview, the built-in recording function in Microsoft Teams stores the video recording directly to UCC One Drive which is secure and private. The recordings will then be transcribed into text by the PI (NB) and the transcription too will be saved in Microsoft Teams in Microsoft word format. The original video recording will then be deleted.

On completion of the focus group interview, participants will be informed that they have two weeks to opt out of the study. If they choose to do so, all information that they provide will be deleted and removed from analysis. A summary of each focus group interview, identifying the main points of discussion will be sent to each participant for data verification. Participants will have one further week to ask queries and change or remove data if they wish. Member checking helps to ensure trustworthiness of data⁵⁸. Following this process, all identifying information will be removed from the transcripts. Participants will be reassured that nothing will be published that has not been anonymized. Access to recordings, transcripts and data analysis on Microsoft Teams will be granted to members of the research team only (NB, JMcV, JL, KMcC, BD). A final check to ensure that no identifiable data exists on the research team’s equipment will be carried out. These steps are taken in compliance with the general data protection regulation (GDPR) and UCC’s data protection policy. All data will be stored for 10 years in line with the FAIR data principles.

Thematic analysis

The transcriptions of each interview will be analyzed by two members of the research team (NB and BD). Where there is uncertainty or disagreement, a third member of the research team will be asked to contribute to the data analysis. Data collection and analysis will happen concurrently. Analysis will begin directly after each focus group is completed. A six-phase process of thematic analysis will be carried out to identify “patterns or themes within data,” (Table 1)⁵⁹. We will also be guided by a framework described by Nowell et al.⁵⁸ to ensure trustworthiness in thematic analysis (Figure 1). This framework aims to achieve trustworthiness as described by Lincoln and Guba⁶⁰ as credibility, transferability, dependability, and confirmability⁶⁰.

Table 1. Thematic Analysis Process, Adapted from Braun and Clarke, 2012.

Phase	Tasks
Phase 1	Familiarisation with the data, including the transcription of video interviews into written text, reading and re-reading of the data, and capturing any initial ideas.
Phase 2	Creation of initial codes, a code being an identifier for some feature of the data that may be of interest and collecting the data that is relevant to those codes.
Phase 3	Analysing and sorting these codes into broader themes and collating the data associated with those codes within these themes.
Phase 4	Reviewing and refining of themes, such as discarding themes without enough data or combining themes.
Phase 5	Further refinement of themes and writing a detailed analysis of each theme.
Phase 6	Producing the final report from the detailed analysis of the themes.

Figure 1. Establishing trustworthiness through each phase of data analysis (Nowell et al., 2017)⁵⁸.

Once recordings have been transcribed, transcripts will be checked against recordings for confirmation. Data will then be anonymized. Researchers will take time to independently familiarize themselves with the data. Following each individual focus group, peer debriefing will occur to members of the team not involved in data collection. Researchers responsible for data collection and analysis (NB and BD) will read and annotate a sample of transcripts independently and after discussion, agree on a broad initial coding framework which will be applied to all transcripts using NVivo software. This software facilitates data storage, organization, and comparison within and between transcripts. Themes will be derived following a rigorous process of coding, categorizing, discussion and reflection^59,61. A mind-map diagram will be created to make sense of theme connections. A detailed audit trail will record how data is managed and how each stage of analysis is conducted⁵⁸.

Results and dissemination

This paper outlines a protocol of a study which has not yet commenced and therefore results are not yet known. It is anticipated that recruitment of participants and running of focus groups will occur concurrently between the months of March 2021 and December 2021. Findings of the study are expected by April 2022. A summary of themes based on experiences and perceptions of physiotherapists on the role of VR in managing musculoskeletal shoulder pain will be presented and submitted for publication in a peer-reviewed journal. They will also be presented at international academic conferences in the fields of musculoskeletal and sports medicine. Anonymized data will be made available in concordance with the open data initiative and the principles of fair data management.

Study status

The recruitment process has commenced for the current study and VR headsets have been sent to participants involved in the first focus group which is due to take place in April 2021.

Conclusion

The current study will be the first to explore clinician’s perspectives on the role of VR in the assessment and rehabilitation of musculoskeletal shoulder pain. In addition, this study will inform the development of a VR- supported intervention for the management of shoulder pain, which will be used for further exploration of the feasibility and effectiveness of VR interventions in this population. This project is guided by a framework proposed by Birckhead et al.²⁵ to facilitate development of “high-quality, effective, and safe VR treatments that meaningfully improve patient outcomes”.

Data availability

Underlying data

No data are associated with this article.

Extended data

Zenodo: Physiotherapist beliefs and perspectives on Virtual Reality–supported rehabilitation for the assessment and management of musculoskeletal shoulder pain: a focus group study protocol. https://doi.org/10.5281/zenodo.4633011⁵⁵.

This project contains the following extended data:

- Participant information sheet and consent form,
- Question schedule,
- Researcher reflection diary NB
- Researcher reflection diary BD

Data are available under the terms of the Creative Commons Attribution 4.0 International license (CC-BY 4.0).

Author contributions

Each focus group will be led by NB, a physiotherapist and PhD candidate with training in qualitative research methods. NB will be responsible for transcription of the interviews and involved in each stage of data analysis, writing and dissemination. Another physiotherapist and PhD candidate BD will be responsible for assisting with the delivery of each focus group and for ensuring that videorecording is in progress. BD will also take field notes and will also be involved in the analysis of data. JMcV is a senior lecturer in physiotherapy and primary supervisor of this project. JMcV has contributed to the conceptualization of this research and will contribute to both the analysis and dissemination of the research findings. JL is a professor of musculoskeletal research and part of the supervisory team. JL has played a large role in the planning of this project and will contribute to the analysis, writing and dissemination stages. KMcC is a senior lecturer in physiotherapy and member of the supervisory team. KMcC has contributed to the planning of this project and will be involved in the analysis, writing and dissemination of the research.

Faculty Opinions recommended

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Version 2

VERSION 2 PUBLISHED 27 Apr 2021

Author details Author details

Niamh Brady
Roles: Conceptualization, Data Curation, Formal Analysis, Investigation, Methodology, Project Administration, Writing – Original Draft Preparation, Writing – Review & Editing

Jeremy Lewis
Roles: Conceptualization, Formal Analysis, Supervision, Writing – Original Draft Preparation, Writing – Review & Editing

Karen McCreesh
Roles: Conceptualization, Formal Analysis, Supervision, Writing – Original Draft Preparation, Writing – Review & Editing

Beate Dejaco
Roles: Conceptualization, Data Curation, Formal Analysis

Joseph G. McVeigh
Roles: Conceptualization, Formal Analysis, Project Administration, Resources, Supervision, Writing – Original Draft Preparation, Writing – Review & Editing

Competing interests

No competing interests were disclosed.

Grant information

No funding has been received for this study. Dr. Karen McCreesh who is supervisor of this study and co-author on this paper has previously received HRB funding for an unrelated study.

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https://doi.org/10.12688/hrbopenres.13239.2

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https://doi.org/10.12688/hrbopenres.13239.1

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Brady N, Lewis J, McCreesh K et al. Physiotherapist beliefs and perspectives on virtual reality–supported rehabilitation for the assessment and management of musculoskeletal shoulder pain: a focus group study protocol [version 1; peer review: 2 approved with reservations] HRB Open Res 2021, 4:40 (https://doi.org/10.12688/hrbopenres.13239.1)

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Reviewer Report 12 May 2021

Thomas Matheve, Spine, head and pain research group, Department of Physical Therapy and Rehabilitation, Ghent University, Ghent, Belgium; Faculty of Rehabilitation Sciences, Hasselt University, Diepenbeek, Belgium

Approved with Reservations

https://doi.org/10.21956/hrbopenres.14402.r29326

The authors present a protocol for a focus group study to assess physiotherapists’ beliefs and perspectives on VR-supported assessment and rehabilitation for shoulder pain. I believe the authors should be commended for approaching the development of VR-based rehab in this methodological manner. Some aspects do need some clarification.

Introduction
Overall, many positive aspects of VR are mentioned, and often references to non-musculoskeletaI literature is provided. I’m not sure whether findings in non-MSK populations can easily be extrapolated to MSK-related shoulder pain? It may be useful to refer to MSK literature where possible. If references from other patient populations are used, I believe the authors might want to be more prudent on some occasions. For example:

Paragraph 4: The authors state: ‘VR has been proposed as a more practical and attractive option than exposure therapy in vivo.’ Is this also true for people with musculoskeletal pain who have movement-related fear? For example, we probably need to be able to track the movement patterns of patients and integrate this into the VR environment. This requires using movement sensors, camera systems,… So I am not sure whether, at the moment, VR is more practical for exposure therapy for movement-related fear (e.g. is it also practical for home exercises?).

Paragraph 5: could you please provide a reference for your statement about behaviour change?

Paragraph 6: The authors state: ‘VR has been shown as a feasible and acceptable form of rehabilitation delivery for individuals with neurological conditions.’ Quite a few studies feasibility studies for MSK rehab are available, so it may be useful to refer to some of them.

Treatment vs assessment: Although one of your study aims is to evaluate the role of VR in assessment, the introduction only refers to treatment. I believe it would be useful to also provide some background on VR assessment of MSK conditions.

Study aims
Assessment and rehabilitation of MSK shoulder complaints is very broad. I wonder whether the authors have a specific type of assessment or rehab in mind (e.g., ROM exercises, strength training,…), or will this be completely dependent on the input from the physiotherapists? This is not clear at the moment. I do believe this is an important aspect to clarify. For example, in your introduction you specifically mention exposure therapy, and how VR might be useful for it. However, many MSK PTs are not familiar with this type of treatment. Do you expect that there will be sufficient input from therapists on all forms of assessment and treatment?

Design
The authors state: ‘Qualitative studies provides “factual responses” to questions about how individuals perceive their health experience and how they engage with healthcare, including barriers and facilitators to healthcare use.’
This is true, but I’m not sure this statement is applicable here as your study is about therapists’ perspectives instead of patients’ perspectives?

Methods + Participants
Data-saturation: It seems that data-saturation is defined as code-saturation, as you mention data saturation is reached when no new themes have emerged in the last focus group. However, code-saturation (to identify new issues/themes) is different from meaning saturation (to know exactly what is meant for each code/theme). I believe the latter is probably the aim of the study. For meaning saturation, more focus groups are probably necessary. For example, see work by Hennink et al. in Qual Health Res.

Participant recruitment: It is positive that the authors will try to include participants that work in different settings. Do you also consider age as an important factor to take into account? Views of older participants may differ from younger ones?

There is a little typo at the end of the first paragraph of the recruitment section (a T is missing): he PI will then speak to potential participants…

Procedure
HMD: Participants will receive the Oculus Quest or Oculus Quest 2. I am not familiar with these specific types of HMDs, but as the authors stated themselves correctly, technology evolves quickly. May it be a problem that some participants will use an updated version, and hence, influence their experiences? It may be more comfortable, easier to use,… In addition, I assume the development will be done using these types of HMDs?

Games: It may be useful for the readers to have some screenshots about the VR environment of the games and of the hand controllers.
As I understand it, participants will be asked to play a few commercially available VR games. These games are typically not designed for rehab purposes, while your aim is to develop specific VR interventions. Therefore, do you think this approach is sufficient for participants to fully understand the potential and/or barriers of VR rehab and assessment? Would it not be interesting to have participants also experience specifically designed games (potentially for other body regions) to have a better idea of these opportunities/barriers?

Timing of VR experience: Focus groups will take place between two weeks and six months of participants used the technology. This is an important issue in my opinion. There is a large difference between 2 weeks and six months. What about recall bias?

The interview questions will explore physiotherapists perspectives on how feasible a VR intervention may be in clinical practice and anticipated barriers as well as facilitators to the use of such technology.
This is described rather vaguely, also referring to the study aims. Could you please elaborate and provide main themes you will discuss in the focus groups? Providing the manual for the semi-structured interview may be useful.

Will you specifically address different types of treatment/exercises? I assume participants’ views may depend on the specific aims of the exercises.
Feasibility for home use?

Is the rationale for, and objectives of, the study clearly described?

Partly
Is the study design appropriate for the research question?

Yes
Are sufficient details of the methods provided to allow replication by others?

Partly
Are the datasets clearly presented in a useable and accessible format?

Not applicable

Competing Interests: No competing interests were disclosed.

Reviewer Expertise: low back pain, rehabilitation, movement behaviour, VR

I confirm that I have read this submission and believe that I have an appropriate level of expertise to confirm that it is of an acceptable scientific standard, however I have significant reservations, as outlined above.

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Author Response 31 Jan 2022

Niamh Brady, Discipline of Physiotherapy, University College Cork, Cork, Ireland

31 Jan 2022

Author Response

Thank you for your thorough review and comments and my apologies for the delay in responding to them. Please find individual responses to your queries below:

Introduction, Comment 1:
... Continue reading Thank you for your thorough review and comments and my apologies for the delay in responding to them. Please find individual responses to your queries below:

Introduction, Comment 1:
Thank you – I have included more recent MSK literature in addition to literature on non-MSK populations – See Introduction, paragraphs 7-9, pages 5-6.

Comment 2 (paragraph 4):
Thank you for your suggestions. I have included references to two papers (Thomas et al., 2016., Hennessy et al., 2020) that have investigated the feasibility of using VR for graded exposure therapy in individuals with low back pain – page 4, lines 33-38. Neither of these studies examine efficacy but their results indicate that VR for this purpose is both safe and acceptable. Further research and development are required to say whether VR exposure therapy is indeed effective and whether its effect transfers to everyday activity. At present, it is uncertain whether VR exposure therapy is suitable for use at home but there is potential for it to be used in a supervised setting as shown in both studies. As stated by Hennessy et al., 2020 VR offers the ability to “generate environments not otherwise possible in a clinical or laboratory setting”. As regards tracking movement, this would certainly be valuable but may not be essential depending on the goals of treatment.

Comment 3 (paragraph 5):
Thank you for your comment. I have included a reference to support the change in behaviour seen after VR-based education in the study by Balsam et al., 2019

Comment 4: (paragraph 6):
Thank you. I have revisited the literature and have included more recent and relevant research investigating VR and musculoskeletal conditions. (Intro, paragraph 7)

Comment 5: Treatment vs Assessment:
Thank you – this is a very important point and we have since addressed this by including some literature that has evaluated VR assessment of MSK conditions. (Intro, paragraph 9).

Comment 6: Study Aims:
Thank you for your comment. We intentionally left this very broad as we want to avoid influencing the participants and instead, we want to give them the opportunity to present all kinds of ideas around how VR might be used in the assessment and treatment of MSK shoulder pain. We also want the physiotherapists to think about what is relevant to them clinically and their clinical populations. For example, if we decide to focus on graded exposure and if this is not something that the clinicians themselves are familiar with or prioritise in their management then this will not reflect clinical practice for the physiotherapists included. We intend to include physiotherapists from different clinical backgrounds to facilitate an open discussion. We have now explained this more clearly in our aims.

Comment 7: Design:
Thank you. I agree that this may confuse the reader so I have removed this statement.

Comment 8: Methods and Participants:
Thank you for highlighting this and for stimulating an important discussion. We will decide on the need for further focus groups after the third focus group is complete. We plan to analyse data as it is collected so that we will begin to understand “meaning” by this point. We also expect that our data will mostly include what Hennink would describe as “concrete codes” due to the nature of the topic. This is also why we have chosen Qualitative Description as our methodology – it requires less interpretation of data collected. We are also guided by Braun and Clarke 2021 (https://www.tandfonline.com/doi/abs/10.1080/2159676X.2019.1704846) and how they question data saturation as a useful concept in predicting sample size in qualitative research and prefer to use a more fluid approach to sample size justification.

Comment 9: Participant Recruitment:
Thank you. As well as clinical settings and years of experience, we will also recruit participants to represent a diverse age range. We agree that age may influence views in this situation.

Comment 10: Typo:
Thank you for this. It has been corrected.

Comment 11: Procedure:
This is a great question. The Oculus Quest and Oculus Quest 2 are both tethered devices. They are very similar. One is black and one is white. The Oculus Quest 2 is slightly lighter than the original Quest (it will be interesting to see if this is something that comes up in discussion). Participants will be advised to use software/games that are available on both devices so that the experience will be as consistent as possible.

Yes, the software development will be done so that it can be used on Oculus HMDs.

Comment 12: Games:
Unfortunately, it is not possible to provide screenshots of commercial games. Instead, I have added a weblink to the Oculus website and the popular games I have referred to in the text (First Steps, Beat Saber, Sports Scramble) that is available as a demo on all devices. All participants will have the opportunity to use all of the games below.
https://www.oculus.com/experiences/quest/3675568169182204?ranking_trace=0_3675568169182204_QUESTSEARCH_904f660d-72ab-44c8-a03e-43f9830b0418
https://www.oculus.com/experiences/quest/1758986534231171?ranking_trace=0_1758986534231171_QUESTSEARCH_d0b1e295-5201-4bde-a1cb-8d2440c61b2f
https://www.oculus.com/experiences/quest/2131072803612066?ranking_trace=0_2131072803612066_QUESTSEARCH_009ba037-c88a-4b42-9363-441abbdac775

We have intentionally left the VR experience that participants will have as open as possible. The reason is that in our opinion the software that is currently available for shoulder rehab is quite basic and software for other MSK conditions is so diverse and depends on the goal of the intervention. Therefore, we felt that this might limit the ability of clinicians to come up with their own ideas around the potential of VR in shoulder rehab. We did not want to influence the perceptions of participants by asking them to use current clinical VR software.

Comment 13: Interview Questions:
Thank you. These are great suggestions. We have attached the focus group question schedule in the “Extended Data” section (https://doi.org/10.5281/zenodo.4633011). Here you will see the suggested question schedule (which may be modified/expanded based on the first focus group interviews and emerging themes).
Thank you for your thorough review and comments and my apologies for the delay in responding to them. Please find individual responses to your queries below:

Introduction, Comment 1:
Thank you – I have included more recent MSK literature in addition to literature on non-MSK populations – See Introduction, paragraphs 7-9, pages 5-6.

Comment 2 (paragraph 4):
Thank you for your suggestions. I have included references to two papers (Thomas et al., 2016., Hennessy et al., 2020) that have investigated the feasibility of using VR for graded exposure therapy in individuals with low back pain – page 4, lines 33-38. Neither of these studies examine efficacy but their results indicate that VR for this purpose is both safe and acceptable. Further research and development are required to say whether VR exposure therapy is indeed effective and whether its effect transfers to everyday activity. At present, it is uncertain whether VR exposure therapy is suitable for use at home but there is potential for it to be used in a supervised setting as shown in both studies. As stated by Hennessy et al., 2020 VR offers the ability to “generate environments not otherwise possible in a clinical or laboratory setting”. As regards tracking movement, this would certainly be valuable but may not be essential depending on the goals of treatment.

Comment 3 (paragraph 5):
Thank you for your comment. I have included a reference to support the change in behaviour seen after VR-based education in the study by Balsam et al., 2019

Comment 4: (paragraph 6):
Thank you. I have revisited the literature and have included more recent and relevant research investigating VR and musculoskeletal conditions. (Intro, paragraph 7)

Comment 5: Treatment vs Assessment:
Thank you – this is a very important point and we have since addressed this by including some literature that has evaluated VR assessment of MSK conditions. (Intro, paragraph 9).

Comment 6: Study Aims:
Thank you for your comment. We intentionally left this very broad as we want to avoid influencing the participants and instead, we want to give them the opportunity to present all kinds of ideas around how VR might be used in the assessment and treatment of MSK shoulder pain. We also want the physiotherapists to think about what is relevant to them clinically and their clinical populations. For example, if we decide to focus on graded exposure and if this is not something that the clinicians themselves are familiar with or prioritise in their management then this will not reflect clinical practice for the physiotherapists included. We intend to include physiotherapists from different clinical backgrounds to facilitate an open discussion. We have now explained this more clearly in our aims.

Comment 7: Design:
Thank you. I agree that this may confuse the reader so I have removed this statement.

Comment 8: Methods and Participants:
Thank you for highlighting this and for stimulating an important discussion. We will decide on the need for further focus groups after the third focus group is complete. We plan to analyse data as it is collected so that we will begin to understand “meaning” by this point. We also expect that our data will mostly include what Hennink would describe as “concrete codes” due to the nature of the topic. This is also why we have chosen Qualitative Description as our methodology – it requires less interpretation of data collected. We are also guided by Braun and Clarke 2021 (https://www.tandfonline.com/doi/abs/10.1080/2159676X.2019.1704846) and how they question data saturation as a useful concept in predicting sample size in qualitative research and prefer to use a more fluid approach to sample size justification.

Comment 9: Participant Recruitment:
Thank you. As well as clinical settings and years of experience, we will also recruit participants to represent a diverse age range. We agree that age may influence views in this situation.

Comment 10: Typo:
Thank you for this. It has been corrected.

Comment 11: Procedure:
This is a great question. The Oculus Quest and Oculus Quest 2 are both tethered devices. They are very similar. One is black and one is white. The Oculus Quest 2 is slightly lighter than the original Quest (it will be interesting to see if this is something that comes up in discussion). Participants will be advised to use software/games that are available on both devices so that the experience will be as consistent as possible.

Yes, the software development will be done so that it can be used on Oculus HMDs.

Comment 12: Games:
Unfortunately, it is not possible to provide screenshots of commercial games. Instead, I have added a weblink to the Oculus website and the popular games I have referred to in the text (First Steps, Beat Saber, Sports Scramble) that is available as a demo on all devices. All participants will have the opportunity to use all of the games below.
https://www.oculus.com/experiences/quest/3675568169182204?ranking_trace=0_3675568169182204_QUESTSEARCH_904f660d-72ab-44c8-a03e-43f9830b0418
https://www.oculus.com/experiences/quest/1758986534231171?ranking_trace=0_1758986534231171_QUESTSEARCH_d0b1e295-5201-4bde-a1cb-8d2440c61b2f
https://www.oculus.com/experiences/quest/2131072803612066?ranking_trace=0_2131072803612066_QUESTSEARCH_009ba037-c88a-4b42-9363-441abbdac775

We have intentionally left the VR experience that participants will have as open as possible. The reason is that in our opinion the software that is currently available for shoulder rehab is quite basic and software for other MSK conditions is so diverse and depends on the goal of the intervention. Therefore, we felt that this might limit the ability of clinicians to come up with their own ideas around the potential of VR in shoulder rehab. We did not want to influence the perceptions of participants by asking them to use current clinical VR software.

Comment 13: Interview Questions:
Thank you. These are great suggestions. We have attached the focus group question schedule in the “Extended Data” section (https://doi.org/10.5281/zenodo.4633011). Here you will see the suggested question schedule (which may be modified/expanded based on the first focus group interviews and emerging themes).
Competing Interests: No competing interests were disclosed. Close
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COMMENTS ON THIS REPORT

Author Response 31 Jan 2022

Niamh Brady, Discipline of Physiotherapy, University College Cork, Cork, Ireland

31 Jan 2022

Author Response

Thank you for your thorough review and comments and my apologies for the delay in responding to them. Please find individual responses to your queries below:

Introduction, Comment 1:
... Continue reading Thank you for your thorough review and comments and my apologies for the delay in responding to them. Please find individual responses to your queries below:

Introduction, Comment 1:
Thank you – I have included more recent MSK literature in addition to literature on non-MSK populations – See Introduction, paragraphs 7-9, pages 5-6.

Comment 2 (paragraph 4):
Thank you for your suggestions. I have included references to two papers (Thomas et al., 2016., Hennessy et al., 2020) that have investigated the feasibility of using VR for graded exposure therapy in individuals with low back pain – page 4, lines 33-38. Neither of these studies examine efficacy but their results indicate that VR for this purpose is both safe and acceptable. Further research and development are required to say whether VR exposure therapy is indeed effective and whether its effect transfers to everyday activity. At present, it is uncertain whether VR exposure therapy is suitable for use at home but there is potential for it to be used in a supervised setting as shown in both studies. As stated by Hennessy et al., 2020 VR offers the ability to “generate environments not otherwise possible in a clinical or laboratory setting”. As regards tracking movement, this would certainly be valuable but may not be essential depending on the goals of treatment.

Comment 3 (paragraph 5):
Thank you for your comment. I have included a reference to support the change in behaviour seen after VR-based education in the study by Balsam et al., 2019

Comment 4: (paragraph 6):
Thank you. I have revisited the literature and have included more recent and relevant research investigating VR and musculoskeletal conditions. (Intro, paragraph 7)

Comment 5: Treatment vs Assessment:
Thank you – this is a very important point and we have since addressed this by including some literature that has evaluated VR assessment of MSK conditions. (Intro, paragraph 9).

Comment 6: Study Aims:
Thank you for your comment. We intentionally left this very broad as we want to avoid influencing the participants and instead, we want to give them the opportunity to present all kinds of ideas around how VR might be used in the assessment and treatment of MSK shoulder pain. We also want the physiotherapists to think about what is relevant to them clinically and their clinical populations. For example, if we decide to focus on graded exposure and if this is not something that the clinicians themselves are familiar with or prioritise in their management then this will not reflect clinical practice for the physiotherapists included. We intend to include physiotherapists from different clinical backgrounds to facilitate an open discussion. We have now explained this more clearly in our aims.

Comment 7: Design:
Thank you. I agree that this may confuse the reader so I have removed this statement.

Comment 8: Methods and Participants:
Thank you for highlighting this and for stimulating an important discussion. We will decide on the need for further focus groups after the third focus group is complete. We plan to analyse data as it is collected so that we will begin to understand “meaning” by this point. We also expect that our data will mostly include what Hennink would describe as “concrete codes” due to the nature of the topic. This is also why we have chosen Qualitative Description as our methodology – it requires less interpretation of data collected. We are also guided by Braun and Clarke 2021 (https://www.tandfonline.com/doi/abs/10.1080/2159676X.2019.1704846) and how they question data saturation as a useful concept in predicting sample size in qualitative research and prefer to use a more fluid approach to sample size justification.

Comment 9: Participant Recruitment:
Thank you. As well as clinical settings and years of experience, we will also recruit participants to represent a diverse age range. We agree that age may influence views in this situation.

Comment 10: Typo:
Thank you for this. It has been corrected.

Comment 11: Procedure:
This is a great question. The Oculus Quest and Oculus Quest 2 are both tethered devices. They are very similar. One is black and one is white. The Oculus Quest 2 is slightly lighter than the original Quest (it will be interesting to see if this is something that comes up in discussion). Participants will be advised to use software/games that are available on both devices so that the experience will be as consistent as possible.

Yes, the software development will be done so that it can be used on Oculus HMDs.

Comment 12: Games:
Unfortunately, it is not possible to provide screenshots of commercial games. Instead, I have added a weblink to the Oculus website and the popular games I have referred to in the text (First Steps, Beat Saber, Sports Scramble) that is available as a demo on all devices. All participants will have the opportunity to use all of the games below.
https://www.oculus.com/experiences/quest/3675568169182204?ranking_trace=0_3675568169182204_QUESTSEARCH_904f660d-72ab-44c8-a03e-43f9830b0418
https://www.oculus.com/experiences/quest/1758986534231171?ranking_trace=0_1758986534231171_QUESTSEARCH_d0b1e295-5201-4bde-a1cb-8d2440c61b2f
https://www.oculus.com/experiences/quest/2131072803612066?ranking_trace=0_2131072803612066_QUESTSEARCH_009ba037-c88a-4b42-9363-441abbdac775

We have intentionally left the VR experience that participants will have as open as possible. The reason is that in our opinion the software that is currently available for shoulder rehab is quite basic and software for other MSK conditions is so diverse and depends on the goal of the intervention. Therefore, we felt that this might limit the ability of clinicians to come up with their own ideas around the potential of VR in shoulder rehab. We did not want to influence the perceptions of participants by asking them to use current clinical VR software.

Comment 13: Interview Questions:
Thank you. These are great suggestions. We have attached the focus group question schedule in the “Extended Data” section (https://doi.org/10.5281/zenodo.4633011). Here you will see the suggested question schedule (which may be modified/expanded based on the first focus group interviews and emerging themes).
Thank you for your thorough review and comments and my apologies for the delay in responding to them. Please find individual responses to your queries below:

Introduction, Comment 1:
Thank you – I have included more recent MSK literature in addition to literature on non-MSK populations – See Introduction, paragraphs 7-9, pages 5-6.

Comment 2 (paragraph 4):
Thank you for your suggestions. I have included references to two papers (Thomas et al., 2016., Hennessy et al., 2020) that have investigated the feasibility of using VR for graded exposure therapy in individuals with low back pain – page 4, lines 33-38. Neither of these studies examine efficacy but their results indicate that VR for this purpose is both safe and acceptable. Further research and development are required to say whether VR exposure therapy is indeed effective and whether its effect transfers to everyday activity. At present, it is uncertain whether VR exposure therapy is suitable for use at home but there is potential for it to be used in a supervised setting as shown in both studies. As stated by Hennessy et al., 2020 VR offers the ability to “generate environments not otherwise possible in a clinical or laboratory setting”. As regards tracking movement, this would certainly be valuable but may not be essential depending on the goals of treatment.

Comment 3 (paragraph 5):
Thank you for your comment. I have included a reference to support the change in behaviour seen after VR-based education in the study by Balsam et al., 2019

Comment 4: (paragraph 6):
Thank you. I have revisited the literature and have included more recent and relevant research investigating VR and musculoskeletal conditions. (Intro, paragraph 7)

Comment 5: Treatment vs Assessment:
Thank you – this is a very important point and we have since addressed this by including some literature that has evaluated VR assessment of MSK conditions. (Intro, paragraph 9).

Comment 6: Study Aims:
Thank you for your comment. We intentionally left this very broad as we want to avoid influencing the participants and instead, we want to give them the opportunity to present all kinds of ideas around how VR might be used in the assessment and treatment of MSK shoulder pain. We also want the physiotherapists to think about what is relevant to them clinically and their clinical populations. For example, if we decide to focus on graded exposure and if this is not something that the clinicians themselves are familiar with or prioritise in their management then this will not reflect clinical practice for the physiotherapists included. We intend to include physiotherapists from different clinical backgrounds to facilitate an open discussion. We have now explained this more clearly in our aims.

Comment 7: Design:
Thank you. I agree that this may confuse the reader so I have removed this statement.

Comment 8: Methods and Participants:
Thank you for highlighting this and for stimulating an important discussion. We will decide on the need for further focus groups after the third focus group is complete. We plan to analyse data as it is collected so that we will begin to understand “meaning” by this point. We also expect that our data will mostly include what Hennink would describe as “concrete codes” due to the nature of the topic. This is also why we have chosen Qualitative Description as our methodology – it requires less interpretation of data collected. We are also guided by Braun and Clarke 2021 (https://www.tandfonline.com/doi/abs/10.1080/2159676X.2019.1704846) and how they question data saturation as a useful concept in predicting sample size in qualitative research and prefer to use a more fluid approach to sample size justification.

Comment 9: Participant Recruitment:
Thank you. As well as clinical settings and years of experience, we will also recruit participants to represent a diverse age range. We agree that age may influence views in this situation.

Comment 10: Typo:
Thank you for this. It has been corrected.

Comment 11: Procedure:
This is a great question. The Oculus Quest and Oculus Quest 2 are both tethered devices. They are very similar. One is black and one is white. The Oculus Quest 2 is slightly lighter than the original Quest (it will be interesting to see if this is something that comes up in discussion). Participants will be advised to use software/games that are available on both devices so that the experience will be as consistent as possible.

Yes, the software development will be done so that it can be used on Oculus HMDs.

Comment 12: Games:
Unfortunately, it is not possible to provide screenshots of commercial games. Instead, I have added a weblink to the Oculus website and the popular games I have referred to in the text (First Steps, Beat Saber, Sports Scramble) that is available as a demo on all devices. All participants will have the opportunity to use all of the games below.
https://www.oculus.com/experiences/quest/3675568169182204?ranking_trace=0_3675568169182204_QUESTSEARCH_904f660d-72ab-44c8-a03e-43f9830b0418
https://www.oculus.com/experiences/quest/1758986534231171?ranking_trace=0_1758986534231171_QUESTSEARCH_d0b1e295-5201-4bde-a1cb-8d2440c61b2f
https://www.oculus.com/experiences/quest/2131072803612066?ranking_trace=0_2131072803612066_QUESTSEARCH_009ba037-c88a-4b42-9363-441abbdac775

We have intentionally left the VR experience that participants will have as open as possible. The reason is that in our opinion the software that is currently available for shoulder rehab is quite basic and software for other MSK conditions is so diverse and depends on the goal of the intervention. Therefore, we felt that this might limit the ability of clinicians to come up with their own ideas around the potential of VR in shoulder rehab. We did not want to influence the perceptions of participants by asking them to use current clinical VR software.

Comment 13: Interview Questions:
Thank you. These are great suggestions. We have attached the focus group question schedule in the “Extended Data” section (https://doi.org/10.5281/zenodo.4633011). Here you will see the suggested question schedule (which may be modified/expanded based on the first focus group interviews and emerging themes).
Competing Interests: No competing interests were disclosed. Close
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Reviewer Report 10 May 2021

Tasha Stanton, IIMPACT in Health, University of South Australia, Adelaide, SA, Australia

Approved with Reservations

https://doi.org/10.21956/hrbopenres.14402.r29325

This protocol describes a focus group study that aims to evaluate physiotherapist beliefs and perspective on virtual reality-supported rehabilitation for the assessment and management of musculoskeletal shoulder pain. Overall, I thought this was a well written protocol and an important ... Continue reading

Introduction, paragraph 5: The sentence, “This also led to actual or intended behaviour change in relation to management strategies”, needs a citation. Please include. Also, in the paragraph, the word “this” is used to start many of the sentences but it isn’t always clear what ‘this’ refers to. E.g., the last sentence states that “This is a feature that may be useful when working with individuals…” What is ‘this’ referring to here?
Introduction, final paragraph: This paragraph highlights the importance of involving both patient and provider end-users to optimize VR-based intervention design and to help identify barriers/facilitators and acceptability (e.g., Birckhead et al’s work). However, the Study Aims section states that the present study will only seek feedback from the providers (physiotherapists). Please provide rationale as to why providers’ input was focused on in the present study and why patient focus groups were not included. Why did you envision that the first step needed to be focus groups of physiotherapists? I am not arguing that the chosen strategy is wrong, but rather, that the rationale merely needs to be provided. This comment underpinned my choice for ‘partly’ for the rationale for the study clearly described.
Methods: It appears that only those physiotherapists without experience using VR will be sent a headset. Is this a problem? Given the fast pace of technology changes in the VR field (noted in the introduction), even people who say they have used immersive VR might not have used the most recent model (or the model of interest in this case). Might this create a problem if people in the focus groups do not all have the same exposure to the immersive VR equipment and games used to show the potential of an immersive platform for shoulder pain management/assessment?
Methods: In addition to disinfecting procedures, it might be worth considering providing a disposable VR cover to avoid direct contact with the VR headset (as this is equivalent to what you would likely need to use in a clinic given COVID-19 and may be relevant to the discussion of barriers to use).
Methods: Can the semi-structured interview be shared as an appendix? It is a bit difficult to follow how people’s perspectives of the general experience of VR (where none of the programs are related to shoulder pain management/assessment) will ultimately be linked to shoulder pain. This comment is what underpinned my choice of ‘partly’ for sufficient details provided to allow replication.
Focus group interview: Will there be consideration of the relationship status between the focus group lead and the participants (e.g., if the focus group includes physiotherapists that were previously students of any of the researchers)? Given that feedback/discussion within the focus groups is not anonymous, such previous relationships may feasibly influence the nature/outcome of focus group discussion.

Is the rationale for, and objectives of, the study clearly described?

Partly
Is the study design appropriate for the research question?

Yes
Are sufficient details of the methods provided to allow replication by others?

Partly
Are the datasets clearly presented in a useable and accessible format?

Not applicable

Competing Interests: No competing interests were disclosed.

Reviewer Expertise: Virtual reality, pain, physiotherapy, and clinical trials. Note: I do not have expertise in qualitative analysis.

CITE

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Author Response 31 Jan 2022

Niamh Brady, Discipline of Physiotherapy, University College Cork, Cork, Ireland

31 Jan 2022

Author Response

Thank you kindly for your very helpful comments and my apologies for the delay in responding. I have addressed and responded to your comments to the best of my ability ... Continue reading Thank you kindly for your very helpful comments and my apologies for the delay in responding. I have addressed and responded to your comments to the best of my ability below:

Comment 1:
Thank you. I have reworded the paragraph to make it clear that I am referring to VR-based education and I have included a reference to support the change in behaviour seen after VR-based education in the study by Balsam et al., 2019 (see "Introduction" paragraph 5, page 4).

Comment 2:
This is an excellent point. In our original discussions, we had suggested doing two separate focus group studies, one including physiotherapists and another including patients. In the end, we felt that a focus group would be a more suitable environment for physiotherapists to share ideas about a novel intervention, but that patients may find this difficult, particularly when talking about something that has not yet been developed. We do still plan to include patients in a qualitative study, but this will come later, and we will conduct one-to-one interviews rather than focus group interviews. Before carrying out these one-to-one interviews, patients will have had the chance to use VR technology designed for managing shoulder pain in a supervised setting. This is not feasible at present due to COVID-19 restrictions on research activities in Ireland. I have added a sentence in the introduction to state that a future study including patients will be carried out.

Comment 3:
This is a great question. Our rationale here was to keep the VR experience that participants have as open as possible so as not to influence perceptions and ideas. We felt that experience of different types of VR (hardware and software) would lead to a more open discussion and introduction of ideas from different points of view. We anticipated that there would be a mix of volunteers with/without prior VR experience when in fact, most volunteers so far have no prior VR experience and those that have, have used the Oculus Quest. In addition, we did not specify what game participants should play in the trial period for the very same reason.

Comment 4:
Thank you for this suggestion – we will take this on board and aim to implement same.

Comment 5:
Yes of course. The question schedule is already attached in the "Extended Data” section (https://doi.org/10.5281/zenodo.4633011).

Comment 6:
Thank you for making this point. We will not include clinicians who have relationships (family, colleagues, and students) to the primary investigator or facilitator in the focus group. This will be made clear in our methods section. (page 9 – lines 29-30). We will, however, ask a colleague to participate in a pilot interview to gain feedback on the questions schedule. This individual will not be included in the focus group itself due to the reasons you have pointed out.
Thank you kindly for your very helpful comments and my apologies for the delay in responding. I have addressed and responded to your comments to the best of my ability below:

Comment 1:
Thank you. I have reworded the paragraph to make it clear that I am referring to VR-based education and I have included a reference to support the change in behaviour seen after VR-based education in the study by Balsam et al., 2019 (see "Introduction" paragraph 5, page 4).

Comment 2:
This is an excellent point. In our original discussions, we had suggested doing two separate focus group studies, one including physiotherapists and another including patients. In the end, we felt that a focus group would be a more suitable environment for physiotherapists to share ideas about a novel intervention, but that patients may find this difficult, particularly when talking about something that has not yet been developed. We do still plan to include patients in a qualitative study, but this will come later, and we will conduct one-to-one interviews rather than focus group interviews. Before carrying out these one-to-one interviews, patients will have had the chance to use VR technology designed for managing shoulder pain in a supervised setting. This is not feasible at present due to COVID-19 restrictions on research activities in Ireland. I have added a sentence in the introduction to state that a future study including patients will be carried out.

Comment 3:
This is a great question. Our rationale here was to keep the VR experience that participants have as open as possible so as not to influence perceptions and ideas. We felt that experience of different types of VR (hardware and software) would lead to a more open discussion and introduction of ideas from different points of view. We anticipated that there would be a mix of volunteers with/without prior VR experience when in fact, most volunteers so far have no prior VR experience and those that have, have used the Oculus Quest. In addition, we did not specify what game participants should play in the trial period for the very same reason.

Comment 4:
Thank you for this suggestion – we will take this on board and aim to implement same.

Comment 5:
Yes of course. The question schedule is already attached in the "Extended Data” section (https://doi.org/10.5281/zenodo.4633011).

Comment 6:
Thank you for making this point. We will not include clinicians who have relationships (family, colleagues, and students) to the primary investigator or facilitator in the focus group. This will be made clear in our methods section. (page 9 – lines 29-30). We will, however, ask a colleague to participate in a pilot interview to gain feedback on the questions schedule. This individual will not be included in the focus group itself due to the reasons you have pointed out.
Competing Interests: No competing interests were disclosed. Close
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Author Response 31 Jan 2022

Niamh Brady, Discipline of Physiotherapy, University College Cork, Cork, Ireland

31 Jan 2022

Author Response

Thank you kindly for your very helpful comments and my apologies for the delay in responding. I have addressed and responded to your comments to the best of my ability ... Continue reading Thank you kindly for your very helpful comments and my apologies for the delay in responding. I have addressed and responded to your comments to the best of my ability below:

Comment 1:
Thank you. I have reworded the paragraph to make it clear that I am referring to VR-based education and I have included a reference to support the change in behaviour seen after VR-based education in the study by Balsam et al., 2019 (see "Introduction" paragraph 5, page 4).

Comment 2:
This is an excellent point. In our original discussions, we had suggested doing two separate focus group studies, one including physiotherapists and another including patients. In the end, we felt that a focus group would be a more suitable environment for physiotherapists to share ideas about a novel intervention, but that patients may find this difficult, particularly when talking about something that has not yet been developed. We do still plan to include patients in a qualitative study, but this will come later, and we will conduct one-to-one interviews rather than focus group interviews. Before carrying out these one-to-one interviews, patients will have had the chance to use VR technology designed for managing shoulder pain in a supervised setting. This is not feasible at present due to COVID-19 restrictions on research activities in Ireland. I have added a sentence in the introduction to state that a future study including patients will be carried out.

Comment 3:
This is a great question. Our rationale here was to keep the VR experience that participants have as open as possible so as not to influence perceptions and ideas. We felt that experience of different types of VR (hardware and software) would lead to a more open discussion and introduction of ideas from different points of view. We anticipated that there would be a mix of volunteers with/without prior VR experience when in fact, most volunteers so far have no prior VR experience and those that have, have used the Oculus Quest. In addition, we did not specify what game participants should play in the trial period for the very same reason.

Comment 4:
Thank you for this suggestion – we will take this on board and aim to implement same.

Comment 5:
Yes of course. The question schedule is already attached in the "Extended Data” section (https://doi.org/10.5281/zenodo.4633011).

Comment 6:
Thank you for making this point. We will not include clinicians who have relationships (family, colleagues, and students) to the primary investigator or facilitator in the focus group. This will be made clear in our methods section. (page 9 – lines 29-30). We will, however, ask a colleague to participate in a pilot interview to gain feedback on the questions schedule. This individual will not be included in the focus group itself due to the reasons you have pointed out.
Thank you kindly for your very helpful comments and my apologies for the delay in responding. I have addressed and responded to your comments to the best of my ability below:

Comment 1:
Thank you. I have reworded the paragraph to make it clear that I am referring to VR-based education and I have included a reference to support the change in behaviour seen after VR-based education in the study by Balsam et al., 2019 (see "Introduction" paragraph 5, page 4).

Comment 2:
This is an excellent point. In our original discussions, we had suggested doing two separate focus group studies, one including physiotherapists and another including patients. In the end, we felt that a focus group would be a more suitable environment for physiotherapists to share ideas about a novel intervention, but that patients may find this difficult, particularly when talking about something that has not yet been developed. We do still plan to include patients in a qualitative study, but this will come later, and we will conduct one-to-one interviews rather than focus group interviews. Before carrying out these one-to-one interviews, patients will have had the chance to use VR technology designed for managing shoulder pain in a supervised setting. This is not feasible at present due to COVID-19 restrictions on research activities in Ireland. I have added a sentence in the introduction to state that a future study including patients will be carried out.

Comment 3:
This is a great question. Our rationale here was to keep the VR experience that participants have as open as possible so as not to influence perceptions and ideas. We felt that experience of different types of VR (hardware and software) would lead to a more open discussion and introduction of ideas from different points of view. We anticipated that there would be a mix of volunteers with/without prior VR experience when in fact, most volunteers so far have no prior VR experience and those that have, have used the Oculus Quest. In addition, we did not specify what game participants should play in the trial period for the very same reason.

Comment 4:
Thank you for this suggestion – we will take this on board and aim to implement same.

Comment 5:
Yes of course. The question schedule is already attached in the "Extended Data” section (https://doi.org/10.5281/zenodo.4633011).

Comment 6:
Thank you for making this point. We will not include clinicians who have relationships (family, colleagues, and students) to the primary investigator or facilitator in the focus group. This will be made clear in our methods section. (page 9 – lines 29-30). We will, however, ask a colleague to participate in a pilot interview to gain feedback on the questions schedule. This individual will not be included in the focus group itself due to the reasons you have pointed out.
Competing Interests: No competing interests were disclosed. Close
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Version 2

VERSION 2 PUBLISHED 27 Apr 2021

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Version 2 (revision) 25 Jan 22	read	read
Version 1 27 Apr 21	read	read

Tasha Stanton, University of South Australia, Adelaide, Australia
Thomas Matheve, Ghent University, Ghent, Belgium; Hasselt University, Diepenbeek, Belgium

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01 Feb 2022 | for Version 2

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Approved

The authors addressed my questions appropriately. Good luck with your study. Looking forward to seeing the results!

Competing Interests

No competing interests were disclosed.

Reviewer Expertise

Low back pain, rehabilitation, movement behaviour, VR

I confirm that I have read this submission and believe that I have an appropriate level of expertise to confirm that it is of an acceptable scientific standard.

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31 Jan 2022 | for Version 2

Tasha Stanton, IIMPACT in Health, University of South Australia, Adelaide, SA, Australia

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Approved

The authors have responded to all of my suggested changes. Well done! I look forward to seeing the result of this study.

Competing Interests

No competing interests were disclosed.

Reviewer Expertise

Virtual reality, pain, physiotherapy, and clinical trials. Note: I do not have expertise in qualitative analysis.

I confirm that I have read this submission and believe that I have an appropriate level of expertise to confirm that it is of an acceptable scientific standard.

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36 Views

12 May 2021 | for Version 1

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Approved With Reservations

Will you specifically address different types of treatment/exercises? I assume participants’ views may depend on the specific aims of the exercises.
Feasibility for home use?

Is the rationale for, and objectives of, the study clearly described?

Partly
Is the study design appropriate for the research question?

Yes
Are sufficient details of the methods provided to allow replication by others?

Partly
Are the datasets clearly presented in a useable and accessible format?

Not applicable

Competing Interests

No competing interests were disclosed.

Reviewer Expertise

low back pain, rehabilitation, movement behaviour, VR

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Author Response

31 Jan 2022

Niamh Brady, Discipline of Physiotherapy, University College Cork, Cork, Ireland

Thank you for your thorough review and comments and my apologies for the delay in responding to them. Please find individual responses to your queries below:

Introduction, Comment 1:
Thank you – I have included more recent MSK literature in addition to literature on non-MSK populations – See Introduction, paragraphs 7-9, pages 5-6.

Comment 2 (paragraph 4):
Thank you for your suggestions. I have included references to two papers (Thomas et al., 2016., Hennessy et al., 2020) that have investigated the feasibility of using VR for graded exposure therapy in individuals with low back pain – page 4, lines 33-38. Neither of these studies examine efficacy but their results indicate that VR for this purpose is both safe and acceptable. Further research and development are required to say whether VR exposure therapy is indeed effective and whether its effect transfers to everyday activity. At present, it is uncertain whether VR exposure therapy is suitable for use at home but there is potential for it to be used in a supervised setting as shown in both studies. As stated by Hennessy et al., 2020 VR offers the ability to “generate environments not otherwise possible in a clinical or laboratory setting”. As regards tracking movement, this would certainly be valuable but may not be essential depending on the goals of treatment.

Comment 3 (paragraph 5):
Thank you for your comment. I have included a reference to support the change in behaviour seen after VR-based education in the study by Balsam et al., 2019

Comment 4: (paragraph 6):
Thank you. I have revisited the literature and have included more recent and relevant research investigating VR and musculoskeletal conditions. (Intro, paragraph 7)

Comment 5: Treatment vs Assessment:
Thank you – this is a very important point and we have since addressed this by including some literature that has evaluated VR assessment of MSK conditions. (Intro, paragraph 9).

Comment 6: Study Aims:
Thank you for your comment. We intentionally left this very broad as we want to avoid influencing the participants and instead, we want to give them the opportunity to present all kinds of ideas around how VR might be used in the assessment and treatment of MSK shoulder pain. We also want the physiotherapists to think about what is relevant to them clinically and their clinical populations. For example, if we decide to focus on graded exposure and if this is not something that the clinicians themselves are familiar with or prioritise in their management then this will not reflect clinical practice for the physiotherapists included. We intend to include physiotherapists from different clinical backgrounds to facilitate an open discussion. We have now explained this more clearly in our aims.

Comment 7: Design:
Thank you. I agree that this may confuse the reader so I have removed this statement.

Comment 8: Methods and Participants:
Thank you for highlighting this and for stimulating an important discussion. We will decide on the need for further focus groups after the third focus group is complete. We plan to analyse data as it is collected so that we will begin to understand “meaning” by this point. We also expect that our data will mostly include what Hennink would describe as “concrete codes” due to the nature of the topic. This is also why we have chosen Qualitative Description as our methodology – it requires less interpretation of data collected. We are also guided by Braun and Clarke 2021 (https://www.tandfonline.com/doi/abs/10.1080/2159676X.2019.1704846) and how they question data saturation as a useful concept in predicting sample size in qualitative research and prefer to use a more fluid approach to sample size justification.

Comment 9: Participant Recruitment:
Thank you. As well as clinical settings and years of experience, we will also recruit participants to represent a diverse age range. We agree that age may influence views in this situation.

Comment 10: Typo:
Thank you for this. It has been corrected.

Comment 11: Procedure:
This is a great question. The Oculus Quest and Oculus Quest 2 are both tethered devices. They are very similar. One is black and one is white. The Oculus Quest 2 is slightly lighter than the original Quest (it will be interesting to see if this is something that comes up in discussion). Participants will be advised to use software/games that are available on both devices so that the experience will be as consistent as possible.

Yes, the software development will be done so that it can be used on Oculus HMDs.

Comment 12: Games:
Unfortunately, it is not possible to provide screenshots of commercial games. Instead, I have added a weblink to the Oculus website and the popular games I have referred to in the text (First Steps, Beat Saber, Sports Scramble) that is available as a demo on all devices. All participants will have the opportunity to use all of the games below.
https://www.oculus.com/experiences/quest/3675568169182204?ranking_trace=0_3675568169182204_QUESTSEARCH_904f660d-72ab-44c8-a03e-43f9830b0418
https://www.oculus.com/experiences/quest/1758986534231171?ranking_trace=0_1758986534231171_QUESTSEARCH_d0b1e295-5201-4bde-a1cb-8d2440c61b2f
https://www.oculus.com/experiences/quest/2131072803612066?ranking_trace=0_2131072803612066_QUESTSEARCH_009ba037-c88a-4b42-9363-441abbdac775

We have intentionally left the VR experience that participants will have as open as possible. The reason is that in our opinion the software that is currently available for shoulder rehab is quite basic and software for other MSK conditions is so diverse and depends on the goal of the intervention. Therefore, we felt that this might limit the ability of clinicians to come up with their own ideas around the potential of VR in shoulder rehab. We did not want to influence the perceptions of participants by asking them to use current clinical VR software.

Comment 13: Interview Questions:
Thank you. These are great suggestions. We have attached the focus group question schedule in the “Extended Data” section (https://doi.org/10.5281/zenodo.4633011). Here you will see the suggested question schedule (which may be modified/expanded based on the first focus group interviews and emerging themes).

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Competing Interests

No competing interests were disclosed.

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10 May 2021 | for Version 1

Tasha Stanton, IIMPACT in Health, University of South Australia, Adelaide, SA, Australia

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Approved With Reservations

Introduction, paragraph 5: The sentence, “This also led to actual or intended behaviour change in relation to management strategies”, needs a citation. Please include. Also, in the paragraph, the word “this” is used to start many of the sentences but it isn’t always clear what ‘this’ refers to. E.g., the last sentence states that “This is a feature that may be useful when working with individuals…” What is ‘this’ referring to here?
Introduction, final paragraph: This paragraph highlights the importance of involving both patient and provider end-users to optimize VR-based intervention design and to help identify barriers/facilitators and acceptability (e.g., Birckhead et al’s work). However, the Study Aims section states that the present study will only seek feedback from the providers (physiotherapists). Please provide rationale as to why providers’ input was focused on in the present study and why patient focus groups were not included. Why did you envision that the first step needed to be focus groups of physiotherapists? I am not arguing that the chosen strategy is wrong, but rather, that the rationale merely needs to be provided. This comment underpinned my choice for ‘partly’ for the rationale for the study clearly described.
Methods: It appears that only those physiotherapists without experience using VR will be sent a headset. Is this a problem? Given the fast pace of technology changes in the VR field (noted in the introduction), even people who say they have used immersive VR might not have used the most recent model (or the model of interest in this case). Might this create a problem if people in the focus groups do not all have the same exposure to the immersive VR equipment and games used to show the potential of an immersive platform for shoulder pain management/assessment?
Methods: In addition to disinfecting procedures, it might be worth considering providing a disposable VR cover to avoid direct contact with the VR headset (as this is equivalent to what you would likely need to use in a clinic given COVID-19 and may be relevant to the discussion of barriers to use).
Methods: Can the semi-structured interview be shared as an appendix? It is a bit difficult to follow how people’s perspectives of the general experience of VR (where none of the programs are related to shoulder pain management/assessment) will ultimately be linked to shoulder pain. This comment is what underpinned my choice of ‘partly’ for sufficient details provided to allow replication.
Focus group interview: Will there be consideration of the relationship status between the focus group lead and the participants (e.g., if the focus group includes physiotherapists that were previously students of any of the researchers)? Given that feedback/discussion within the focus groups is not anonymous, such previous relationships may feasibly influence the nature/outcome of focus group discussion.

Is the rationale for, and objectives of, the study clearly described?

Partly
Is the study design appropriate for the research question?

Yes
Are sufficient details of the methods provided to allow replication by others?

Partly
Are the datasets clearly presented in a useable and accessible format?

Not applicable

Competing Interests

No competing interests were disclosed.

Reviewer Expertise

Virtual reality, pain, physiotherapy, and clinical trials. Note: I do not have expertise in qualitative analysis.

Respond to this report

Responses (1)

Author Response

31 Jan 2022

Niamh Brady, Discipline of Physiotherapy, University College Cork, Cork, Ireland

Thank you kindly for your very helpful comments and my apologies for the delay in responding. I have addressed and responded to your comments to the best of my ability below:

Comment 1:
Thank you. I have reworded the paragraph to make it clear that I am referring to VR-based education and I have included a reference to support the change in behaviour seen after VR-based education in the study by Balsam et al., 2019 (see "Introduction" paragraph 5, page 4).

Comment 2:
This is an excellent point. In our original discussions, we had suggested doing two separate focus group studies, one including physiotherapists and another including patients. In the end, we felt that a focus group would be a more suitable environment for physiotherapists to share ideas about a novel intervention, but that patients may find this difficult, particularly when talking about something that has not yet been developed. We do still plan to include patients in a qualitative study, but this will come later, and we will conduct one-to-one interviews rather than focus group interviews. Before carrying out these one-to-one interviews, patients will have had the chance to use VR technology designed for managing shoulder pain in a supervised setting. This is not feasible at present due to COVID-19 restrictions on research activities in Ireland. I have added a sentence in the introduction to state that a future study including patients will be carried out.

Comment 3:
This is a great question. Our rationale here was to keep the VR experience that participants have as open as possible so as not to influence perceptions and ideas. We felt that experience of different types of VR (hardware and software) would lead to a more open discussion and introduction of ideas from different points of view. We anticipated that there would be a mix of volunteers with/without prior VR experience when in fact, most volunteers so far have no prior VR experience and those that have, have used the Oculus Quest. In addition, we did not specify what game participants should play in the trial period for the very same reason.

Comment 4:
Thank you for this suggestion – we will take this on board and aim to implement same.

Comment 5:
Yes of course. The question schedule is already attached in the "Extended Data” section (https://doi.org/10.5281/zenodo.4633011).

Comment 6:
Thank you for making this point. We will not include clinicians who have relationships (family, colleagues, and students) to the primary investigator or facilitator in the focus group. This will be made clear in our methods section. (page 9 – lines 29-30). We will, however, ask a colleague to participate in a pilot interview to gain feedback on the questions schedule. This individual will not be included in the focus group itself due to the reasons you have pointed out.

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Competing Interests

No competing interests were disclosed.

Alongside their report, reviewers assign a status to the article:

Approved - the paper is scientifically sound in its current form and only minor, if any, improvements are suggested

Approved with reservations - A number of small changes, sometimes more significant revisions are required to address specific details and improve the papers academic merit.

Not approved - fundamental flaws in the paper seriously undermine the findings and conclusions

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Physiotherapist beliefs and perspectives on virtual reality–supported rehabilitation for the assessment and management of musculoskeletal shoulder pain: a focus group study protocol

Abstract

Keywords

Introduction

Study aims

Protocol

Design

Methods

Participants

Recruitment

Procedure

Study setting

Ethical approval

Data collection and management

Thematic analysis

Table 1. Thematic Analysis Process, Adapted from Braun and Clarke, 2012.

Figure 1. Establishing trustworthiness through each phase of data analysis (Nowell et al., 2017)⁵⁸.

Results and dissemination

Study status

Conclusion

Data availability

Underlying data

Extended data

Author contributions

References

Comments on this article Comments (0)

Open Peer Review

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Open Peer Review

Reviewer Status

Reviewer Reports

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Physiotherapist beliefs and perspectives on virtual reality–supported rehabilitation for the assessment and management of musculoskeletal shoulder pain: a focus group study protocol

Abstract

Keywords

Introduction

Study aims

Protocol

Design

Methods

Participants

Recruitment

Procedure

Study setting

Ethical approval

Data collection and management

Thematic analysis

Table 1. Thematic Analysis Process, Adapted from Braun and Clarke, 2012.

Figure 1. Establishing trustworthiness through each phase of data analysis (Nowell et al., 2017)58.

Results and dissemination

Study status

Conclusion

Data availability

Underlying data

Extended data

Author contributions

References

Comments on this article Comments (0)

Open Peer Review

Comments on this article Comments (0)

Open Peer Review

Reviewer Status

Reviewer Reports

Comments on this article

Competing Interests Policy

Stay Updated

Are you a HRB-funded researcher?

Thank you!

Figure 1. Establishing trustworthiness through each phase of data analysis (Nowell et al., 2017)⁵⁸.