Journal of Rehabilitation Research & Development (JRRD)

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Comparison of seat, waist, and arm sit-to-stand assistance modalities in elderly population

Jeswin Jeyasurya, MASc, et al.

The ability to perform a sit-to-stand motion is important to the independence of ambulatory adults. We investigated the mechanics of the sit-to-stand process to better understand how passive and active assistance facilitates the sit-to-stand motion. Experiments were conducted with older adults performing both unassisted and assisted sit-to-stand rises with a grab bar and arm, seat, and waist assistance. Based on a consideration of both subject preference and biomechanical characteristics, our results suggest that seat-based sit-to-stand assistance most closely matches natural sit-to-stand movements while providing a substantial reduction in required knee extensor effort. This study provides metrics for the development of new sit-to-stand devices and will help clinicians better understand the biomechanics of assisted sit-to-stand and develop recommendations for assistance selection.
http://dx.doi.org/10.1682/JRRD.2011.12.0233

Volume 50 Number 6, 2013
   Pages 835 — 844


View HTML  ¦  View PDF  ¦  Contents Vol. 50, No. 6
This article and any supplementary material should be cited as follows:
Jeyasurya J, Van der Loos HFM, Hodgson A, Croft EA. Comparison of seat, waist, and arm sit-to-stand assistance modalities in elderly population. J Rehabil Res Dev. 2013;50(6):835–44.
http://dx.doi.org/10.1682/JRRD.2011.12.0233
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Last Reviewed or Updated  Tuesday, September 10, 2013 9:46 AM

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