Document Detail

Lower-extremity strength differences predict activity limitations in people with chronic stroke.
MedLine Citation:
PMID:  18988665     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Body system impairments following stroke have a complex relationship with functional activities. Although gait and balance deficits are well-documented in people after stroke, the overlapping influence of body impairments makes it difficult to prioritize interventions. OBJECTIVE: This study examined the relationship between prospectively selected measures of body function and structure (body mass index, muscle strength, sensation, and cognition) and activity (gait speed, gait endurance, and functional balance) in people with chronic stroke. DESIGN: This was a cross-sectional, observational study. METHODS: Twenty-six individuals with mean (SD) age of 57.6 (11) years and time after stroke of 45.4 (43) months participated. Four variables (body mass index, muscle strength difference between the lower extremities, sensation difference between the lower extremities, and Mini-Mental Status Exam score) were entered into linear regression models for gait speed, Six-Minute Walk Test distance, and Berg Balance Scale score. RESULTS: Lower-extremity strength difference was a significant individual predictor for gait speed, gait endurance, and functional balance. Cognition significantly predicted only gait speed. LIMITATIONS: The authors did not include all possible factors in the model that may have influenced gait and balance in these individuals. CONCLUSIONS: Strength deficits in the hemiparetic lower extremity should be an important target for clinical interventions to improve function in people with chronic stroke.
Patricia Kluding; Byron Gajewski
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Publication Detail:
Type:  Journal Article     Date:  2008-11-06
Journal Detail:
Title:  Physical therapy     Volume:  89     ISSN:  1538-6724     ISO Abbreviation:  Phys Ther     Publication Date:  2009 Jan 
Date Detail:
Created Date:  2009-01-02     Completed Date:  2009-01-26     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0022623     Medline TA:  Phys Ther     Country:  United States    
Other Details:
Languages:  eng     Pagination:  73-81     Citation Subset:  AIM; IM    
Department of Physical Therapy and Rehabilitation Science, School of Allied Health, University of Kansas Medical Center, 3056 Robinson Hall, Mailstop 2002, 3901 Rainbow Blvd, Kansas City, KS 66160, USA.
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MeSH Terms
Activities of Daily Living*
Body Mass Index
Cognition / physiology
Cross-Sectional Studies
Middle Aged
Motor Activity / physiology
Muscle Strength / physiology*
Postural Balance / physiology
Predictive Value of Tests
Prospective Studies
Stroke / physiopathology*,  psychology,  rehabilitation*
Touch / physiology

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

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