If older men in their early 70s lift heavy weights three times a week for four months, they’ll get noticeably stronger and their big muscle fibers will grow bigger.

62

Pro

0

Against

Evidence from Studies

Supporting (1)

62

Community contributions welcome

62

Heavy resistance exercise training in older men: A responder and inter-individual variability analysis

Randomized Controlled Trial

Human

2026

The study found that older men who did heavy weight training three times a week for 16 weeks got 19% stronger and their fast-twitch muscle fibers grew 14% bigger — exactly what the claim says.

Contradicting (0)

0

Community contributions welcome

No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Heavy resistance exercise training in older men: A responder and inter-individual variability analysis

Score: 62

DOI: 10.1371/journal.pone.0338775

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