Does the smartphone addiction affect the neck disability, hand functions, and physical activity?

Aim: Smartphone has become an important tool in our stay-at-home mandates and quarantine days related to the pandemic. The aim of this study is to compare the neck disability, hand functionality and physical activity levels between smartphone addicts and non-addicted users. Materials-Methods: A total of 227 volunteer participants were included in this web-based study. Participants were separated into two groups as smartphone addictive (n=105) and non-addictive groups (n=122).  Neck disability, hand functions, and physical activity levels were assessed with Neck Disability Index, Michigan Hand Questionnaire, and International Physical Activity Questionnaire, respectively, in both groups. Results: Significant differences were found between smartphone addicted and non-addicted groups (p<0.05). The addicted group had higher neck disability scores (p<0.05) and lower hand functionality (p<0.05), and lower physical activity levels than non-addicted groups(p<0.05). Conclusions: This study showed that smartphone-addicted younger adults were more likely to have problems in the cervical region, hand functionality and physical inactivity symptoms during online learning.