Document Detail


Effects of loading the unaffected limb for one session of locomotor training on laboratory measures of gait in stroke.
MedLine Citation:
PMID:  18325646     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Walking following stroke involves compensatory strategies by the unaffected leg to cope with the deficits in the hemiparetic leg. Recently, training paradigms based on the principles of task-oriented repetitive exercise have provided a valuable insight regarding the influence of restraining compensatory movements to improve motor performances. We investigated changes in the walking movements of each lower extremity after weighting the unaffected leg. METHODS: Ten individuals early after a stroke (range: 3-7 months) who were able to walk 10 m with no aids, participated to this study. Subjects were instructed to walk on a treadmill with an external mass attached around the non affected ankle during a single session. The short-term effects on gait performance were quantified by a 3D-gait analysis system before, immediately after and 20 min after the walking technique. FINDINGS: A one factor repeated measures model revealed that stroke participants significantly improved in walking speed (P<0.001), step length (P<0.01) and cadence (P<0.01). Weight-bearing on the paretic leg increased (P<0.01) along with kinematic modifications including greater hip and knee excursion. When the mass was removed, these adaptations were maintained 20 min later. INTERPRETATION: Preliminary findings suggest that even brief gait training using a treadmill with a restrictive weight placed on the distal extremity of the non-hemiplegic lower limb can improve laboratory measures of gait ability in a sample of stroke subjects. Future studies must evaluate the effect of this technique in longer-term locomotor retraining.
Authors:
J P Regnaux; D Pradon; N Roche; J Robertson; B Bussel; B Dobkin
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Publication Detail:
Type:  Controlled Clinical Trial; Journal Article     Date:  2008-03-05
Journal Detail:
Title:  Clinical biomechanics (Bristol, Avon)     Volume:  23     ISSN:  0268-0033     ISO Abbreviation:  Clin Biomech (Bristol, Avon)     Publication Date:  2008 Jul 
Date Detail:
Created Date:  2008-06-03     Completed Date:  2008-09-16     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8611877     Medline TA:  Clin Biomech (Bristol, Avon)     Country:  England    
Other Details:
Languages:  eng     Pagination:  762-8     Citation Subset:  IM    
Affiliation:
Laboratoire d'Analyse du Mouvement, Hôpital R Poincaré 92380 Garches, APHP, UVSQ INSERM U731, UPMC-Paris6, France. j.regnaux@imperial.ac.uk
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MeSH Terms
Descriptor/Qualifier:
Adaptation, Physiological
Adult
Aged
Female
Gait*
Gait Disorders, Neurologic / diagnosis,  physiopathology*,  rehabilitation*
Humans
Leg / physiopathology*
Male
Middle Aged
Physical Examination / methods
Physical Therapy Modalities
Stroke / diagnosis,  physiopathology*,  rehabilitation*
Treatment Outcome
Weight-Bearing*

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


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