This study systematically reviews the effects of muscle strength exer-cises on muscle mass and strength in stroke patients by analyzing ran-domized controlled trials. Ten studies, involving a total of 378 stroke pa-tients, were included in the meta-analysis. The standardized mean dif-ference (SMD) and confidence intervals (CIs) were calculated using a random effects model. The results indicated that strength exercises had a medium effect on increasing muscle strength in stroke patients (SMD, 0.6; 95% CI, 0.47–0.72; I2=51%; P<0.05). Specifically, strength ex-ercises were found to be particularly effective in chronic stroke pa-tients, showing a medium effect on muscle strength (SMD, 0.68; 95% CI, 0.55–0.81; I2=45%; P<0.05). The study also compared the effects based on repetition maximum (RM) settings, revealing that strength increased significantly regardless of whether RM was used, with studies showing medium effects (with RM: SMD, 0.52; 95% CI, 0.4–0.64; I2=0%; P<0.05; without RM: SMD, 0.65; 95% CI, 0.4–0.91; I2=72%; P<0.05). The study concludes that strength exercises are beneficial for improving muscle strength in chronic stroke patients, but the use of RM to set exercise in-tensity is not strictly necessary.
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Abstract INTRODUCTION MATERIALS AND METHODS Procedure Eligibility criteria Search strategy and data collection Quality assessment Statistics analysis RESULTS Study selection General characteristics Study quality Strength Subgroup analysis Publication bias DISCUSSION CONFLICT OF INTEREST ACKNOWLEDGMENTS REFERENCES