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. 2011 Apr;91(4):452–469. doi: 10.2522/ptj.20100188

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© 2011 American Physical Therapy Association

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Appendix. — Exercise Therapy Procedures^a

^a Reprinted with permission and with modifications from: Scopaz KA, Piva SR, Gil AB, et al. Effect of baseline quadriceps activation on changes in quadriceps strength after exercise therapy in subjects with knee osteoarthritis. Arthritis Rheum. 2009;61:951–957.

Appendix. — Exercise Therapy Procedures^a

^a Reprinted with permission and with modifications from: Scopaz KA, Piva SR, Gil AB, et al. Effect of baseline quadriceps activation on changes in quadriceps strength after exercise therapy in subjects with knee osteoarthritis. Arthritis Rheum. 2009;61:951–957.