Abstract
ABSTRACT The objective of this study is to investigate the beneficial effects of resistance training (RT) on individuals suffering from knee osteoarthritis (KOA). In order to gather relevant studies from the beginning of various databases until January 2023, a comprehensive search was conducted on PubMed, Embase, Scopus, Web of Science, and The Cochrane Library. Additionally, manual searches were performed on the reference lists. The association between RT and KOA was analysed using a random-effects model. The results indicated that patients with KOA who underwent RT experienced a significant reduction in the WOMAC (Western Ontario and McMaster Universities Osteoarthritis) Pain index (WMD = −2.441; 95% CI = −3.610 to −1.273; p < 0.01), the WOMAC Stiffness index (WMD = −1.018; 95% CI = −1.744 to −0.293; p < 0.01), the WOMAC Function index (WMD = −7.208; 95% CI = −10.412 to −4.004; p < 0.01), and the VAS (Visual Analogue Scale) index (WMD = −5.721; 95% CI = −9.320 to −2.121; p < 0.01). These improvements were observed when compared to the control group. However, no significant difference was found in the 6-MWT (6-Minute Walk Test) index between the two groups (WMD = 2.659; 95% CI= −16.741 to 22.058; p = 0.788). Consequently, RT has the potential to positively enhance pain, stiffness, and function in patients with KOA, while the 6-MWT index may not exhibit significant improvement.
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