Document Detail

Improvements in quadriceps sensorimotor function and disability of patients with knee osteoarthritis following a clinically practicable exercise regime.
MedLine Citation:
PMID:  9851266     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: Quadriceps sensorimotor dysfunction may be important in the pathogenesis of knee osteoarthritis (OA) and a determinant of disability. Exercise regimes can increase quadriceps strength, but whether this improves proprioception and reduces disability is uncertain. Moreover, research regimes involve protracted treatment which is clinically impracticable. METHODS: We compared quadriceps sensorimotor function and disability in 60 patients with knee OA, before and after an exercise regime, with a control group (n = 37) who did not exercise. RESULTS: Exercise improved quadriceps strength (mean change, 95% CI; 73 N, 26-19 N), voluntary activation (14%, 5-20%), knee joint position sense (0.6 degrees, 0.1-1.8 degrees), and reduced the Lequesne Index (3.5, 0.5-4) and aggregate time of four activities of daily living (8.4 s, 0.2-16.7 s). At 6 month follow-up, these improvements were maintained. The parameters of the control group were unchanged. CONCLUSIONS: These results substantiate the association between quadriceps sensorimotor dysfunction and disability, emphasizing the importance of quadriceps exercise in the management of knee OA. The regimen is relatively brief and clinically practicable, but could be adapted to make it more cost effective.
M V Hurley; D L Scott
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  British journal of rheumatology     Volume:  37     ISSN:  0263-7103     ISO Abbreviation:  Br. J. Rheumatol.     Publication Date:  1998 Nov 
Date Detail:
Created Date:  1998-12-30     Completed Date:  1998-12-30     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8302415     Medline TA:  Br J Rheumatol     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  1181-7     Citation Subset:  AIM; IM    
Physiotherapy Division, School of Biomedical Sciences, King's College, London.
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MeSH Terms
Aged, 80 and over
Disabled Persons*
Exercise Therapy*
Middle Aged
Muscle Weakness
Muscle, Skeletal / physiology
Osteoarthritis, Knee / physiopathology,  therapy*
Somatosensory Cortex / physiopathology
Treatment Outcome

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