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Physical Activity and Osteoarthritis of the Knee: Can MRI Scans Shed More Light on This Issue?

Citation

Jones, G and Schultz, MG and Dore, D, Physical Activity and Osteoarthritis of the Knee: Can MRI Scans Shed More Light on This Issue?, The Physician and Sportsmedicine: A Peer Reviewed Journal of Medical Aspects of Sports, Exercise and Fitness, 39, (3) pp. 55-61. ISSN 0091-3847 (2011) [Refereed Article]


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Copyright Statement

Copyright 2011 The Physician and Sportsmedicine

DOI: doi:10.3810/psm.2011.09.1921

Abstract

Physical activity has many health benefits; however, there has been concern that exercise may increase the risk of the development or progression of osteoarthritis (OA) of the knee. There is little doubt that injury increases the risk of OA, but the role of physical activity independent to injury is uncertain. Recently, magnetic resonance imaging has allowed an in-depth assessment of joints and relevant structural changes-this review covers the recent imaging data relevant to this area. In children and young adults, physical activity appears beneficial for knee cartilage, possibly even in structurally abnormal knees. In addition, there is consistent evidence showing aerobic and strengthening exercise improves OA symptoms later in life. However, there is limited evidence associating exercise with structural changes in later life and this lacks consistency, suggesting little or no effect. In the meantime, it appears safe to prescribe exercise in later life without major concern for structural deterioration, although caution is appropriate in those with bone marrow lesions until more information becomes available.

Item Details

Item Type:Refereed Article
Keywords:exercise; knee structure; MRI; cartilage; osteoarthritis
Research Division:Medical and Health Sciences
Research Group:Clinical Sciences
Research Field:Rheumatology and Arthritis
Objective Division:Health
Objective Group:Clinical Health (Organs, Diseases and Abnormal Conditions)
Objective Field:Skeletal System and Disorders (incl. Arthritis)
Author:Jones, G (Professor Graeme Jones)
Author:Schultz, MG (Dr Martin Schultz)
Author:Dore, D (Dr Dawn Aitken)
ID Code:74405
Year Published:2011
Web of Science® Times Cited:4
Deposited By:Menzies Institute for Medical Research
Deposited On:2011-11-29
Last Modified:2012-06-21
Downloads:1 View Download Statistics

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