Journal of Rehabilitation Research & Development (JRRD)

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Modeling effects of sagittal-plane hip joint stiffness on reciprocating gait orthosis-assisted gait

William Brett Johnson, PhD, et al.

Upright ambulation is believed to promote the well-being of persons with lower-limb paralysis, but ambulatory orthoses for this population, such as the reciprocating gait orthosis (RGO), provide a slow and exhausting gait compared with that of nondisabled persons. Increasing the stiffness of the ambulatory orthoses– hip joints may improve the efficiency of walking with these devices. In this experiment, we modeled the effects of increasing the hip joint stiffness of RGOs on RGO-assisted gait using nondisabled persons ambulating with a lower-limb paralysis simulator. Walking speed was shown to increase with relatively small increases in hip joint stiffness.
http://dx.doi.org/10.1682/JRRD.2013.01.0013

Volume 50 Number 10, 2013
   Pages 1449 — 1456


View HTML  ¦  View PDF  ¦  Contents Vol. 50, No.10
This article and any supplementary material should be cited as follows:
Johnson WB, Fatone S, Gard SA. Modeling effects of sagittal-plane hip joint stiffness on reciprocating gait orthosis-assisted gait. J Rehabil Res Dev. 2013;50(10): 1449–56.
http://dx.doi.org/10.1682/JRRD.2013.01.0013
ResearcherID/ORCID: Stefania Fatone, PhD, BPO(Hons): E-8490-2011; Steven A. Gard, PhD: D-9935-2011; William Brett Johnson, PhD: K-5231-2012
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