Training & movement
C · Interpret with cautionWhich training choices affect strength and muscle growth in young and old
Subject: Moderators of strength gain and hypertrophy
What this means
In older adults, training 3 or more days per week gave more strength gain and muscle growth than fewer days. In young adults, training setup made no measurable difference to muscle mass.
Polito MD, Papst RR, Farinatti P · 2021 · Journal of Sports Sciences 39(19):2189-2198
What does this rating mean?
Limited, mixed or hard-to-translate evidence. Useful as direction, not as a rule.
Findings
Which factors influence the outcome of strength training and how much variation exists between individuals.
Who this applies to
Young and older adults who were not yet doing resistance training.
What to keep in mind
The differences come from comparing studies with different designs. The abstract does not report how many studies or participants were included.
Practical conclusion for REZA
Explains why no standard programme exists. Two people on the same schedule don't end up in the same place.
View method and source
Methodology
Systematic review with meta-analysis
Original source
DOI: 10.1080/02640414.2021.1924978 · PMID: 33977848
View on PubMed →This information is general education about scientific research. It is not personal medical advice and does not replace diagnosis or treatment by a doctor or other healthcare professional. If you have symptoms, a medical condition or take medication, consult your GP or treating professional before changing your training or nutrition.