Document Detail


Experimental study on the role of the ankle push off in the walk-to-run transition by means of a powered ankle-foot-exoskeleton.
MedLine Citation:
PMID:  19576776     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The goal of this study was to analyse the role of the plantarflexor muscles in the walk-to-run transition (WRT) by means of a powered ankle-foot-exoskeleton. 11 female subjects performed several WRT's on an accelerating treadmill while their plantarflexors were assisted or resisted during push off. The WRT speed was lower in the resist condition than in the control condition which reinforces hypotheses from previous simulations, descriptive and experimental studies. There was no increase in WRT speed in the assist condition which is in contrast to another study where the plantarflexor push off was assisted indirectly by a horizontal traction at waist level. The lack of effect from the assist condition in the present study is possibly due to the narrowly focused nature of the experimental manipulation.
Authors:
P Malcolm; P Fiers; V Segers; I Van Caekenberghe; M Lenoir; D De Clercq
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Publication Detail:
Type:  Journal Article; Randomized Controlled Trial     Date:  2009-07-02
Journal Detail:
Title:  Gait & posture     Volume:  30     ISSN:  1879-2219     ISO Abbreviation:  Gait Posture     Publication Date:  2009 Oct 
Date Detail:
Created Date:  2009-08-17     Completed Date:  2009-12-22     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9416830     Medline TA:  Gait Posture     Country:  England    
Other Details:
Languages:  eng     Pagination:  322-7     Citation Subset:  IM    
Affiliation:
Department of Movement and Sports Sciences, Ghent University, Ghent, Belgium. Philippe.Malcolm@ugent.be
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MeSH Terms
Descriptor/Qualifier:
Acceleration
Ankle Joint / physiology*
Electromyography
Female
Humans
Leg / physiology
Linear Models
Locomotion / physiology
Muscle, Skeletal / physiology*
Orthotic Devices*
Running / physiology*
Walking / physiology*
Young Adult

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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