Document Detail

A comparison of various therapeutic exercises on the functional status of patients with knee osteoarthritis.
MedLine Citation:
PMID:  12833248     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To investigate the therapeutic effects of different muscle-strengthening exercises on the functional status of patients with knee osteoarthritis (OA).
METHODS: One hundred thirty-two patients with bilateral knee OA (Altman Grade II) were sequentially divided into 4 random groups (GI to GIV). The patients in group I received isokinetic muscle-strengthening exercise, group II received isotonic muscle-strengthening exercise, group III received isometric muscle-strengthening exercise, and group IV acted as controls. The changes of muscle power of leg flexion and extension were measured with a Kinetic Communicator dynamometer, and patients' functional status was evaluated by visual analogue scale, ambulation speed, and Lequesne index before and after treatment, and at the follow-up 1 year later.
RESULTS: The results showed that the patients with OA in each treated group had significant improvement in pain reduction, disability reduction, and in walking speed after treatment and at follow-up when compared with their initial status. Isotonic exercise had the greatest effect on pain reduction after treatment, and fewer participants discontinued the treatment because of exercise knee pain. Isokinetic exercise caused the greatest increase of walking speed and decrease of disability after treatment and at follow-up. The greatest muscle-strength gain in 60 degrees /second angular velocity peak torques was found in the isokinetic and isotonic exercise groups. A significant muscle-strength gain in 180 degrees /second angular velocity peak torques was found only in the isokinetic group after treatment.
CONCLUSION AND RELEVANCE: Isotonic exercise is suggested for initial strengthening in patients with OA with exercise knee pain, and isokinetic exercise is suggested for improving joint stability or walking endurance at a later time.
Mao-Hsiung Huang; Yueh-Shuang Lin; Rei-Cheng Yang; Chia-Ling Lee
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Publication Detail:
Type:  Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Seminars in arthritis and rheumatism     Volume:  32     ISSN:  0049-0172     ISO Abbreviation:  Semin. Arthritis Rheum.     Publication Date:  2003 Jun 
Date Detail:
Created Date:  2003-06-30     Completed Date:  2003-10-16     Revised Date:  2013-11-06    
Medline Journal Info:
Nlm Unique ID:  1306053     Medline TA:  Semin Arthritis Rheum     Country:  United States    
Other Details:
Languages:  eng     Pagination:  398-406     Citation Subset:  IM    
Copyright Information:
Copyright 2003 Elsevier Inc. All rights reserved.
Department of Physical Medicine, Kaohsiung Medical University Hospital, Taiwan.
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MeSH Terms
Activities of Daily Living
Exercise Therapy*
Leg / physiology
Muscle Contraction / physiology*
Osteoarthritis, Knee / physiopathology,  therapy*
Pain Measurement
Severity of Illness Index
Treatment Outcome

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

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