Research

Energy balance

It seems unlikely that more than two weekly resistance training sessions would provide any further benefits for older adults.

Practitioners should consider limiting resistance training sessions to two per week for older adults to optimize benefits.

StrongQualifiesmedium confidence
Considering that muscle hypertrophy was not affected, while maximum strength was only slightly improved with additional training days, it seems unlikely that more than two weekly resistance training sessions would provide any further benefits for older adults.
Zsuzsanna Kneffel et al. · Journal of Sports Sciences · 2020

Why this rating

Based on meta-regression analysis of multiple studies.

Source

A meta-regression of the effects of resistance training frequency on muscular strength and hypertrophy in adults over 60 years of age

Zsuzsanna Kneffel et al. · Journal of Sports Sciences · 2020

DOI 10.1080/02640414.2020.1822595

Meta-analysisCited 27×
Read the paper
DOI resolved against Crossref · corpus check 2026-06-10

This is one finding among thousands. Every one is graded and traced to its source, so you can see what the evidence actually supports. Browse the research →