The effect of knee flexion contracture following total knee arthroplasty on the energy cost of walking.

Murphy, Michael T, Skinner, Tina L, Cresswell, Andrew G, Crawford, Ross W., Journeaux, Simon F, & Russell, Trevor G (2014) The effect of knee flexion contracture following total knee arthroplasty on the energy cost of walking. The Journal of Arthroplasty, 29(1), pp. 85-89.

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Abstract

This study evaluated the energy cost of walking (Cw) with knee flexion contractures (FC) simulated with a knee brace, in total knee arthroplasty (TKA) recipients (n=16) and normal controls (n=15), and compared it to baseline (no brace). There was no significant difference in Cw between the groups at baseline but TKA recipients walked slower (P=0.048) and with greater knee flexion in this condition (P=0.003). Simulated FC significantly increased Cw in both groups (TKA P=0.020, control P=0.002) and this occurred when FC exceeded 20° in the TKA group and 15° in the controls. Reported perceived exertion was only significantly increased by FC in the control group (control P<0.001, TKA P=0.058). Simulated knee FCs less than 20° do not increase Cw or perceived exertion in TKA recipients.

Impact and interest:

3 citations in Scopus
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2 citations in Web of Science®

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ID Code: 78673
Item Type: Journal Article
Refereed: Yes
Keywords: energy cost; flexion contracture; gait; total knee arthroplasty
DOI: 10.1016/j.arth.2013.04.039
ISSN: 1532-8406
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > BIOMEDICAL ENGINEERING (090300)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Institutes > Institute of Health and Biomedical Innovation
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 13 Nov 2014 03:54
Last Modified: 17 Nov 2014 23:21

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