Effects of over 10 weeks of resistance training on muscle and bone mineral density in older people with sarcopenia over 70 years old: A systematic review and meta-analysis of randomized controlled trials.

Di Peng, Yu Zhang, Lejun Wang, Shengnian Zhang

Key Laboratory of Exercise and Health Sciences of Ministry of Education, School of Exercise and Health, Shanghai University of Sport, Shanghai, China.Key Laboratory of Exercise and Health Sciences of Ministry of Education, School of Exercise and Health, Shanghai University of Sport, Shanghai, China. · pubmed

Paper

Abstract

We aimed to examine the effects of more than 10 weeks of resistance training (RT) on muscle structure, muscle function, and bone mineral density (BMD) in older people with sarcopenia over 70 years old METHODS: PubMed, Web of Science, Embase, MEDLINE, Cochrane Library, and CINAHL databases were searched for randomized controlled trials. Standardized mean difference (MD) or standard mean difference (SMD) was used to pool the effect of the RT intervention RESULTS: Thirteen studies with 2080 older adults with sarcopenia were included. Resistance exercise significantly affected handgrip strength (MD = 1.67 kg; P = 0.02) and isometric muscle strength (standard mean difference [SMD] = 0.53; P = 0.02). Significant differences in chair stand test (SMD = 0.40; P = 0.02) and skeletal muscle mass index (mean difference [MD] = 1.67 kg/m

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Research summary

The paper addresses the effects of resistance training on muscle and bone health in older adults with sarcopenia, which is a significant concern in the context of aging and longevity. While it contributes valuable insights into interventions that may improve quality of life and functional capacity in older populations, it primarily focuses on symptom management rather than addressing the root causes of aging. Therefore, while it is solid research, its impact is limited in the broader context of longevity research.

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