Document Detail

Effects of elastic-band exercise on lower-extremity function among female patients with osteoarthritis of the knee.
MedLine Citation:
PMID:  22397710     Owner:  NLM     Status:  Publisher    
Objective: To investigate a new style of resistance exercise using elastic bands and explore its therapeutic effect on the lower-extremity function of female patients with osteoarthritis (OA) of the knee. Design: A randomized, controlled clinical trial. Setting: University-affiliated medical center. Participants: Forty-one women with mild-to-moderate knee OA were randomly assigned to one of two groups, an exercise group (n = 24; age: 65.0 ± 8.4 years), and a control group (n = 17; age: 70.8 ± 8.4 years). Interventions: The exercise group performed supervised exercise with elastic bands in addition to conventional modality treatments two to three times a week for 8 weeks. The control group received only the conventional modality treatments over the same period. Main outcome measures: The distance of the functional forward-reach, 30 s chair stand repetitions, walking function (time of a 10 m walk, timed up-and-go, and going up-and-down 13-stair tests), and Western Ontario and McMaster Universities Osteoarthritis (WOMAC) index scores. Results: Statistically significant improvements in all measures were observed in the exercise group after 8 weeks (p < 0.001). Except for the outcomes on the functional forward-reach (p = 0.108) and going up-and-down 13-stair test (p = 0.278), there were significant differences in the extent of improvement between the two groups. Positive changes in the 30 s chair stand test, 10 m walk test, and timed up-and-go test were 2.5 ± 1.4 repetitions, 1.4 ± 1.2 s, and 1.6 ± 1.1 s in the exercise group, which were significant better than those in the control group (0.6 ± 0.9 repetitions, 0.5 ± 1.1 s, and 0.3 ± 1.1 s, respectively) (p ≤ 0.001). The lower scores of all three subscales of the WOMAC index were significant after 8 weeks (p ≤ 0.05), especially for pain (-2.3 ± 1.3) and physical function (-10.7 ± 5.9) (both p ≤ 0.01), and the improvements were all significant better than those of the control group (p ≤ 0.05). Conclusions: A new style of resistance exercise using elastic bands with four color combinations (yellow-red, red-red, red-green, and green-green) over a period of 8 weeks can significantly improve lower-extremity function among females with mild-to-moderate knee OA. [Box: see text].
Ting-Fang Chang; Tsan-Hon Liou; Chi-Hsien Chen; Yi-Ching Huang; Kwang-Hwa Chang
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-3-8
Journal Detail:
Title:  Disability and rehabilitation     Volume:  -     ISSN:  1464-5165     ISO Abbreviation:  -     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-3-8     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9207179     Medline TA:  Disabil Rehabil     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Department of Physical Medicine and Rehabilitation, Taipei Medical University-Wang-Fang Hospital , Taipei , Taiwan.
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