2020
Sports Medicine
Effects of Resistance Training on Muscle Size and Strength in Very Elderly Adults: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
Studied: 22 studies, adults ≥75 (subgroup analysis for 80+)
Across 22 trials in adults 75 and older, resistance training produced meaningful strength and muscle-size gains — including among the 'oldest-old' (80+) — with very few adverse events reported.