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This article and any supplementary material should be cited as follows: Zukowski LA, Roper JA, Shechtman O, Otzel DM, Hovis PW, Tillman MD. Wheelchair.

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Presentation on theme: "This article and any supplementary material should be cited as follows: Zukowski LA, Roper JA, Shechtman O, Otzel DM, Hovis PW, Tillman MD. Wheelchair."— Presentation transcript:

1 This article and any supplementary material should be cited as follows: Zukowski LA, Roper JA, Shechtman O, Otzel DM, Hovis PW, Tillman MD. Wheelchair ergonomic hand drive mechanism use improves wrist mechanics associated with carpal tunnel syndrome. J Rehabil Res Dev. 2014;51(10):1515–24. http://dx.doi.org/10.1682/JRRD.2013.09.0211 Slideshow Project DOI:10.1682/JRRD.2013.09.0211JSP Wheelchair ergonomic hand drive mechanism use improves wrist mechanics associated with carpal tunnel syndrome Lisa A. Zukowski, MA; Jaimie A. Roper, MS; Orit Shechtman, PhD, OTR/L; Dana M. Otzel, PhD; Patty W. Hovis, MSESS; Mark D. Tillman, PhD

2 This article and any supplementary material should be cited as follows: Zukowski LA, Roper JA, Shechtman O, Otzel DM, Hovis PW, Tillman MD. Wheelchair ergonomic hand drive mechanism use improves wrist mechanics associated with carpal tunnel syndrome. J Rehabil Res Dev. 2014;51(10):1515–24. http://dx.doi.org/10.1682/JRRD.2013.09.0211 Slideshow Project DOI:10.1682/JRRD.2013.09.0211JSP Aim – Evaluate use of ergonomic hand drive mechanism (EHDM) in terms of wrist orientations that may predispose conventional manual wheelchair (CMW) users to carpal tunnel syndrome (CTS). Relevance – Among CMW users, 49%–63% experience CTS. Likely due to combination of large forces transmitted through wrist and extreme wrist orientations. – EHDM in this study uses more neutral wrist orientation.

3 This article and any supplementary material should be cited as follows: Zukowski LA, Roper JA, Shechtman O, Otzel DM, Hovis PW, Tillman MD. Wheelchair ergonomic hand drive mechanism use improves wrist mechanics associated with carpal tunnel syndrome. J Rehabil Res Dev. 2014;51(10):1515–24. http://dx.doi.org/10.1682/JRRD.2013.09.0211 Slideshow Project DOI:10.1682/JRRD.2013.09.0211JSP Method Participants: – 11 adult full-time CMW users with spinal cord injury. Procedure: – Motion capture data were collected as participants propelled across flat surface. 5 trials in CMW. 5 trials in same CMW fitted with EHDM. – Compared average angular wrist orientations between the 2 propulsion styles.

4 This article and any supplementary material should be cited as follows: Zukowski LA, Roper JA, Shechtman O, Otzel DM, Hovis PW, Tillman MD. Wheelchair ergonomic hand drive mechanism use improves wrist mechanics associated with carpal tunnel syndrome. J Rehabil Res Dev. 2014;51(10):1515–24. http://dx.doi.org/10.1682/JRRD.2013.09.0211 Slideshow Project DOI:10.1682/JRRD.2013.09.0211JSP Results Use of EHDM resulted in reduced wrist extension and ulnar deviation compared with CMW use.

5 This article and any supplementary material should be cited as follows: Zukowski LA, Roper JA, Shechtman O, Otzel DM, Hovis PW, Tillman MD. Wheelchair ergonomic hand drive mechanism use improves wrist mechanics associated with carpal tunnel syndrome. J Rehabil Res Dev. 2014;51(10):1515–24. http://dx.doi.org/10.1682/JRRD.2013.09.0211 Slideshow Project DOI:10.1682/JRRD.2013.09.0211JSP Conclusion Shift to more neutral wrist orientations observed with EHDM use may reduce median nerve compression.

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