Journal of Rehabilitation Research & Development (JRRD)

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Figure 1. Transformation of successive center of pressure data from (a) laboratory-based coordinate system into (b) shank-based coordinate system.(c) Resampled shank-based roll-over shapes to calculate root-mean-square distance between curves. Presented are roll-over shapes of nondisabled and prosthetic limbs of participant with transfemoral amputation (participant 8). People with lower-limb amputation often desire to regain a symmetric gait pattern. In walking, the foot rolls over the ground from heel to toe, mimicking the shape of a wheel. This circular profile is also called ???roll-over shape.??? Determining roll-over shape can help identify asymmetry in prosthetic walking. We propose a method that allows quantifying these asymmetries. By considering an individual???s condition, this method may help us better understand an individual???s adjustment strategy in prosthetic walking. Furthermore, this may help people with amputation optimize symmetry in prosthetic walking

View HTML  ¦  View PDF  ¦  Contents Vol. 48, No. 10
This article and any supplementary material should be cited as follows:
Curtze C, Otten B, Hof AL, Postema K. Determining asymmetry of roll-over shapes in prosthetic walking. J Rehabil Res Dev. 2011;48(10):1249???60.
DOI:10.1682/JRRD.2010.08.0163
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Last Reviewed or Updated  Tuesday, March 20, 2012 11:28 AM

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