Effectiveness of Protein Supplementation Combined with Resistance Training on Muscle Strength and Physical Performance in Elderly: A Systematic Review and Meta-Analysis.

摘要: The aim of this study was to evaluate the effectiveness combination resistance training (RT) and protein supplementation (PS), compared RT alone or combined with a placebo (plS), in improvement muscle strength physical performance. search strategy PubMed, Cochrane Library, Web Sciences databases found total 294 studies. Once inclusion exclusion criteria were applied, 16 studies included for qualitative analysis. A 657 healthy elderly (>60 years) participants analysed. Finally, 15 articles quantitative analysis one being excluded due issues data availability. Upper-limb, lower-limb, handgrip primary outcomes meta-analysis. secondary outcomes, related performance, Short Physical Performance Battery (SPPB), gait speed, five-chair-rise test (5CRT). main results meta-analysis show no statistical differences upper-limb (SMD: 0.56, 95% CI: −0.09, 1.21, p = 0.09, I2 68%), lower-limb 0.00, −0.18, 0.18, 1.0, 11%), 0.03, −0.26, 0.32, 0.84, 0%) between + PS (or plS). Moreover, relating In view these results, does not provide additional benefits plS adults.