Foot drop splints improve proximal as well as distal leg control during gait in Charcot-Marie-Tooth disease

Ramdharry, Gita M, Day, Brian L, Reilly, Mary M and Marsden, Jonathan F (2012) Foot drop splints improve proximal as well as distal leg control during gait in Charcot-Marie-Tooth disease. Muscle & Nerve, 46(4), pp. 512-519. ISSN (print) 0148-639X

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Abstract

Introduction: During walking, people with Charcot-Marie-Tooth (CMT) disease may compensate for distal weakness by using proximal muscles. We investigated the effect of different AFOs on distal leg control and proximal compensatory actions. Methods: Fourteen people with CMT were tested while wearing 3 types of ankle-foot orthosis (AFO) bilaterally compared with shoes alone. Walking was assessed using three-dimensional gait analysis. Stiffness of the splints was measured by applying controlled 5-degree ankle stretches using a motor. Results: The results showed that each AFO significantly stiffened the ankle and increased ankle dorsiflexion at foot clearance compared with shoes alone. At push off, peak ankle power generation was reduced, but only with 1 type of AFO. A significant decrease in hip flexion amplitude during the swing phase was observed with all 3 AFOs. Conclusions: These results indicate that AFOs reduce foot drop and remove the need for some proximal compensatory action.

Item Type: Article
Uncontrolled Keywords: Charcot-Marie-Tooth, compensation, foot drop, gait, orthose
Research Area: Allied health professions and studies
Health services research
Faculty, School or Research Centre: Faculty of Health and Social Care Sciences (until 2013)
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Depositing User: Automatic Import Agent
Date Deposited: 26 Sep 2012 11:18
Last Modified: 22 Feb 2013 14:23
URI: http://eprints.kingston.ac.uk/id/eprint/23643

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