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Evidence-Based Complementary and Alternative Medicine
Volume 2016 (2016), Article ID 6016532, 10 pages
http://dx.doi.org/10.1155/2016/6016532
Review Article

The Effects of Yoga on Pain, Mobility, and Quality of Life in Patients with Knee Osteoarthritis: A Systematic Review

1Rehabilitation Medicine Center, West China Hospital of Sichuan University, Chengdu, China
2West China School of Medicine, Sichuan University, Chengdu, China
3Department of Surgery, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong
4Key Laboratory of Rehabilitation Medicine in Sichuan, Chengdu, China

Received 4 June 2016; Revised 24 August 2016; Accepted 28 August 2016

Academic Editor: Yi Yang

Copyright © 2016 Laidi Kan et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Objective. To systematically assess the effects of yoga on pain, mobility, and quality of life in patients with knee osteoarthritis. Methods. Pubmed, Medline, EMBASE, the Cochrane Central Register of Controlled Trials, Physiotherapy Evidence Database (PEDro), and other sources were searched systematically in this study. Two reviewers identified eligible studies and extracted data independently. Downs and Black’s Quality Index were used to evaluate the methodological quality of the included studies. Results. A total of 9 articles (6 studies) involving 372 patients with knee osteoarthritis met the inclusion criteria. The most common yoga protocol is 40~90 minutes/session, lasting for at least 8 weeks. The effect of yoga on pain relief and function improvement could be seen after two-week intervention. Conclusion. This systematic review showed that yoga might have positive effects in relieving pain and mobility on patients with KOA, but the effects on quality of life (QOL) are unclear. Besides, more outcome measure related to mental health of yoga effects on people with KOA should be conducted.