Effects of Exercise on Mobility , Balance and Gait in Patients with the chronic Stroke: A systematic review and meta-analysis
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Background: Although exercise interventions are recommended after a stroke, their effects on mobility,balance and gait are still unclear. Objective : The aim of this research was to evaluate the effects of exercise training on mobility、balance and gait parameters, with a particular emphasis on the Timed Up and Go test (TUG), the Berg Balance Scale (BBS),the 6-Minute Walk Test (6MWT), and the 10-Meter Walk Test (10MWT). Methods: A systematic search was conducted across several databases, namely Web of Science, Embase, PubMed, and the Cochrane Library for randomized controlled trials (RCTs), to evaluate the effects of exercise interventions on mobility, balance and gait in chronic stroke patients. Results: After rigorous screening, 10 RCTs with both experimental and control groups (183/152 participants) were found eligible for inclusion. The meta-analysis demonstrated significant improvement in the mobility ability, as measured by TUG test after exercise intervention (mean difference [MD] = −5.10, p < 0.01, 95% confidence interval [CI] = −8.78 to −1.42). Furthermore, exercise effectively enhanced the balance ability, as measured by the BBS, among chronic stroke patients (MD = 2.82, p < 0.01, 95% CI = 0.74–4.90). However, no statistically significant impact of exercise training was observed on the 6MWT (MD = −3.48, p > 0.05, 95% CI = −27.34 to 20.38) or 10MWT (MD = 0.02, p > 0.05, 95% CI −0.09 to 0.12). Conclusion: Exercise training interventions significantly increased mobility and balance scores in chronic stroke patients. However, they had no effect on gait scores. The subgroup analysis revealed significant enhancements in mobility index with PRT and notable improvements in BBS balance index with AT.