Analysis of human back shape using surface curvatures
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The influence of smartphone use on spinal posture – A laboratory study
2021, Gait and PostureCitation Excerpt :While performing the respective smartphone tasks, the spinal posture and pelvic position during standing and while walking on a treadmill was measured using a surface topography system (Formetric 4Dmotion, Diers International GmbH, Schlangenbad, Germany). This system allows a radiation- and contact-free examination of the spinal posture and pelvic position [19–25]. The spinal and pelvic parameters used in this study have been described previously [26–28].
Dynamic evaluation of simulated leg length inequalities and their effects on the musculoskeletal apparatus
2019, Gait and PostureCitation Excerpt :All measurements were conducted with a surface topography measuring system (Formetric 4D motion, Diers International GmbH, Germany). This system allows a radiation- and contact-free examination of the pelvic position and spinal posture [11]. It consists of a light projector and a digital video camera, which work together as a stereooptical pair [8].
Reliability and validity of 4D rasterstereography under dynamic conditions
2011, Computers in Biology and MedicineCitation Excerpt :Rasterstereography is a method for stereophotogrammetric surface measuring of the back, which was developed in the 80s by Hierholzer and Drerup [9,10]. Based on the principle of triangulation it allows a contact- and radiation-free determination of the body surface [5,11–16]. Two cameras, from two different angles, hereby record the back shape.
Tibial torsion measurement by surface curvature
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2004, Real-Time ImagingWound measurement by curvature maps: A feasibility study
2006, Physiological Measurement