Journal of Rehabilitation Research & Development (JRRD)

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The effects of prosthetic ankle stiffness on stability of gait in people with transtibial amputation

Matthew J. Major, PhD, et al.

Persons with lower-limb amputation are at increased fall risk compared with nondisabled persons. This study observed the influence of prosthetic ankle stiffness on walking stability as measured by symmetry and variability. Five men walked uphill, downhill, and on a level treadmill surface while prosthetic ankle stiffness was altered between low and high stiffness. Low rearfoot stiffness reduced time to foot-flat, which was perceived as more stable by the subjects, and produced walking patterns that suggested improved stability. Clinicians may enhance gait safety of Veteran below-knee prosthesis users who are at risk of falls by recommending prosthetic feet with low ankle stiffness.
http://dx.doi.org/10.1682/JRRD.2015.08.0148

Volume 53 Number 6, 2016
   Pages 839 — 852


View HTML ¦ View PDF ¦ Contents Vol. 53, No. 6
This article and any supplementary material should be cited as follows:
Major MJ, Twiste M, Kenney LPJ, Howard D. The effects of prosthetic ankle stiffness on stability of gait in people with transtibial amputation. J Rehabil Res Dev. 2016;53(6):839–52.
http://dx.doi.org/10.1682/JRRD.2015.08.0148
ORCID: Matthew J. Major, PhD: 0000-0002-2330-4619; Laurence P. J. Kenney, PhD: 0000-0003-2164-3892; Martin Twiste, PhD: 0000-0003-2724-3283
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