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This article and any supplementary material should be cited as follows: Kang YS, Park YG, Lee BM, Park HS. Biomechanical evaluation of wrist- driven flexor.

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Presentation on theme: "This article and any supplementary material should be cited as follows: Kang YS, Park YG, Lee BM, Park HS. Biomechanical evaluation of wrist- driven flexor."— Presentation transcript:

1 This article and any supplementary material should be cited as follows: Kang YS, Park YG, Lee BM, Park HS. Biomechanical evaluation of wrist- driven flexor hinge orthosis in persons with spinal cord injury. J Rehabil Res Dev. 2013;50(8):1129–38. http://dx.doi.org/10.1682/JRRD.2012.10.0189 Slideshow Project DOI:10.1682/JRRD.2012.10.0189JSP Biomechanical evaluation of wrist-driven flexor hinge orthosis in persons with spinal cord injury Yeoun-Seung Kang, MD, PhD, CPO; Yoon-Ghil Park, MD, PhD; Bum-Suk Lee, MD; Hyung-Soon Park, PhD

2 This article and any supplementary material should be cited as follows: Kang YS, Park YG, Lee BM, Park HS. Biomechanical evaluation of wrist- driven flexor hinge orthosis in persons with spinal cord injury. J Rehabil Res Dev. 2013;50(8):1129–38. http://dx.doi.org/10.1682/JRRD.2012.10.0189 Slideshow Project DOI:10.1682/JRRD.2012.10.0189JSP Aim – Assess effectiveness and biomechanical properties of wrist-driven flexor hinge orthosis (WDFHO) in 24 persons with cervical levels 6–7 tetraplegia who have severely impaired hand function. Relevance – WDFHO is device used to restore hand function in persons with tetraplegic spinal cord injury by furnishing three-point prehension.

3 This article and any supplementary material should be cited as follows: Kang YS, Park YG, Lee BM, Park HS. Biomechanical evaluation of wrist- driven flexor hinge orthosis in persons with spinal cord injury. J Rehabil Res Dev. 2013;50(8):1129–38. http://dx.doi.org/10.1682/JRRD.2012.10.0189 Slideshow Project DOI:10.1682/JRRD.2012.10.0189JSP Method Introduced mechanical operating model to assess efficiency of WDFHO.

4 This article and any supplementary material should be cited as follows: Kang YS, Park YG, Lee BM, Park HS. Biomechanical evaluation of wrist- driven flexor hinge orthosis in persons with spinal cord injury. J Rehabil Res Dev. 2013;50(8):1129–38. http://dx.doi.org/10.1682/JRRD.2012.10.0189 Slideshow Project DOI:10.1682/JRRD.2012.10.0189JSP Results Pinch force: – Increased significantly after using WDFHO. – Correlated positively with wrist extensor muscle strength. However, when strength of wrist extensors acting on the WDFHO was greater, reciprocal wrist and finger motion generating three-point prehension was less effective.

5 This article and any supplementary material should be cited as follows: Kang YS, Park YG, Lee BM, Park HS. Biomechanical evaluation of wrist- driven flexor hinge orthosis in persons with spinal cord injury. J Rehabil Res Dev. 2013;50(8):1129–38. http://dx.doi.org/10.1682/JRRD.2012.10.0189 Slideshow Project DOI:10.1682/JRRD.2012.10.0189JSP Conclusion Reliable and valid biomechanical evaluation of WDFHO could improve our understanding of its biomechanics.

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