e-journal
Effects of resistance and Tai Ji training on mobility and symptoms in knee osteoarthritis patients
Background: No studies have compared effectiveness of resistance training and Tai Ji exercise on relieving symptoms of knee osteoarthritis (OA). The purpose of the study was to evaluate effects of a 10-week Tai Ji and resistance training intervention on improving OA symptoms and mobility in seniors with knee OA.
Methods: Thirty-one seniors (60e85 years) were randomly assigned to a Tai Ji program (n ¼ 12), a resistance training program (n ¼ 13), and a control group (n ¼ 6). All participants completed the Western Ontario and McMaster (WOMAC) Osteoarthritis Index and performed three physical performance tests (6-min walk, timed-up-and-go, and timed stair climb and descent) before and after the 10-week intervention.
Results: The participants in the resistance training group significantly improved on the timed-up-and-go test ( p ¼ 0.001), the WOMAC pain subscore ( p ¼ 0.006), WOMAC stiffness sub-score ( p < 0.001), and WOMAC physical function sub-score ( p ¼ 0.011). The Tai Ji group significantly improved on the timed-up-and-go test ( p < 0.001), but not on the WOMAC scores.
Conclusion: Resistance training was effective for improving mobility and improving the symptoms of knee OA. Tai Ji was also effective for improving mobility, but did not improve knee OA symptoms.
Keywords: Knee; Osteoarthritis; Resistance training; Tai Chi; Tai Ji
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