The aim of this systematic review with meta-analysis was to evaluate the effects of resistance training on physical fitness, physiological variables and body composition of postmenopausal women. The present systematic review was performed in accordance with the Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) statement and was registered in PROSPERO. A total of 12 studies were included. The literature search was performed in PubMed, Web of Science and EBSCO. Randomized control trials were included. Two blinded investigators performed the search, study selection and data collection, and assessed the quality and risk of bias. A random-effects model was used for all analyses. Compared to the control group, resistance training produced a significant improvement in maximal oxygen volume (standardized mean difference (SMD) 2.32, p < 0.001), lower extremity strength (SMD 4.70, p < 0.001) and upper extremity strength (SMD 7.42, p < 0.001). The results obtained in the systematic review and meta-analysis confirm the benefits of resistance training on physical fitness in postmenopausal women, although there is more debate regarding its influence on bone mineral density, and anthropometric and derived variables. This work provides a solid starting point for promoting resistance training at a frequency of 3 days per week, in 60-min sessions, with the aim of improving parameters directly related to quality of life, functionality and disease prevention of postmenopausal women.

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