Resistance Training and Mortality Risk: A Systematic Review and Meta-Analysis

Article

Shailendra, Prathiyankara, Baldock, Katherine L., Katrina, L.S., Bennie, Jason A. and Boyle, Terry. 2022. "Resistance Training and Mortality Risk: A Systematic Review and Meta-Analysis." American Journal of Preventive Medicine. 63 (2), pp. 277-285. https://doi.org/10.1016/j.amepre.2022.03.020
Article Title

Resistance Training and Mortality Risk: A Systematic Review and Meta-Analysis

ERA Journal ID13399
Article CategoryArticle
AuthorsShailendra, Prathiyankara, Baldock, Katherine L., Katrina, L.S., Bennie, Jason A. and Boyle, Terry
Journal TitleAmerican Journal of Preventive Medicine
Journal Citation63 (2), pp. 277-285
Number of Pages9
Year2022
PublisherElsevier
ISSN0749-3797
1873-2607
Digital Object Identifier (DOI)https://doi.org/10.1016/j.amepre.2022.03.020
Web Address (URL)https://www.sciencedirect.com/science/article/pii/S0749379722001763
Abstract

Introduction
This study aimed to systematically review and meta-analyze the relationship between resistance training and all-cause, cardiovascular disease, and cancer mortality.

Methods
Systematic review and meta-analysis following PRISMA guidelines (International Prospective Register of Systematic Reviews Registration Number CRD42019136654) was conducted. MEDLINE (OVID), Embase, Emcare, SPORTDiscus, The Cochrane Library, and SCOPUS were searched from inception to June 6, 2021. Included studies reported resistance training as the exposure and all-cause mortality, cardiovascular disease‒specific mortality, and/or cancer-specific mortality as outcome/s. Only studies conducted among nonclinical adult populations (aged ≥18 years) and written in English were included.

Results
A total of 10 studies were included in the meta-analyses. Compared with undertaking no resistance training, undertaking any amount of resistance training reduced the risk of all-cause mortality by 15% (RR of 6 studies=0.85; 95% CI=0.77, 0.93), cardiovascular disease mortality by 19% (RR of 4 studies=0.81; 95% CI=0.66, 1.00), and cancer mortality by 14% (RR of 5 studies=0.86; 95% CI=0.78, 0.95). A dose–response meta-analysis of 4 studies suggested a nonlinear relationship between resistance training and the risk of all-cause mortality. A maximum risk reduction of 27% was observed at around 60 minutes per week of resistance training (RR=0.74; 95% CI=0.64, 0.86). Mortality risk reductions diminished at higher volumes.

Discussion
This systematic review and meta-analysis provides the strongest evidence to date that resistance training is associated with reduced risk of all-cause, cardiovascular disease, and cancer-specific mortality. More research is needed to determine whether any potential mortality benefits gained from resistance training diminish at higher volumes.

KeywordsResistance Trainin; Mortality Risk
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Byline AffiliationsUniversity of South Australia
Centre for Health Research
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