A claim you hear on longevity podcasts

Do fewer, harder sets keep strength and muscle as you age?

Leaning against. Of 4 studies that test it, 2 partly agree and 2 disagree.

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Anyone planning resistance training for older adults
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The claim checked: As you age, fewer and harder sets are the way to keep performance and limit wear Hear it at 39:23

What do the studies say?

Leaning against

No study here tested harder sets against easier ones in people lifting as they age, so this is only part of the answer. Two studies disagree, because more volume did more: in adults aged 50-83, higher volumes went with more lean body mass. Two partly agree: women aged 60-80 gained similar strength from 1 set or 3 sets, and a pooled analysis of adults aged 50 to 92 found no clear link between volume and strength. Lean body mass is the body's weight apart from fat.

Computed from 4 studies that test this point, each judged by two readers, in full. 10 more studies are waiting for a full read and do not count yet.

What was said on the podcast?

“I want volume to come down. I want productive repetitions to go up. I want repetitions to actually mean something. And when I do that, that means the intensity is going to go up.”
Jeff Cavaliere, a guest on The Drive · 414 ‒ Resistance training as we age: exercise selection, training intensity, and much more · 39:23 on YouTube
Episode check Lift fewer, harder sets as you age, the episode says. Of four studies, none backs it and two favor more volume. 5 claims checked against 34 studies · 25 chapters not checked yet See the whole episode →
Point 1 of 2 Leaning against

For people lifting as they age, fewer sets taken harder keep strength and muscle as well as more sets at lower effort

Agree 0· none of the studies we read

Partly agree 2

controlled trial · 2014

“The elderly women who participated in this study demonstrated statistically significant increases in levels of muscle strength after 24 sessions of progressive RT over a period of 12 weeks, without significant intergroup differences (1-SET versus 3-SET).”

Single- and multiple-set resistance training improves skeletal and respiratory muscle strength in elderly women. Clin Interv Aging
Who: Elderly women aged 60-80 with at least 6 months of previous resistance training, no exercise in the prior 3 months
PMID 25342896

pooled analysis · 2010 · landmark

“The results from the linear mixed model on RE prescription variables did not identify any significant relationships between intervention duration or training volume, and subsequent strength effects.”

Resistance exercise for muscular strength in older adults: a meta-analysis. Ageing Res Rev
Who: Adults aged 50 to 92 (mean 67.4 years), healthy to frail, in randomized and non-randomized resistance exercise studies
PMID 20385254

Disagree 2

pooled analysis · 2011 · landmark

“These findings suggest that higher volumes of RE are associated with greater increases in LBM.”

Influence of resistance exercise on lean body mass in aging adults: a meta-analysis. Med Sci Sports Exerc
Who: Previously untrained adults aged 50-83 (mean 65.5) in supervised whole-body resistance exercise
PMID 20543750

systematic review · 2024 · landmark

“RT volume appears to be important for both muscular strength and hypertrophic gains.”

The influence of resistance exercise training prescription variables on skeletal muscle mass, strength, and physical function in healthy adults: An umbrella review. J Sport Health Sci
Who: Generally healthy community-dwelling adults aged >18 years; athletes, military and people with chronic disease excluded
PMID 37385345

Point 2 of 2 Not enough evidence

Cutting low-effort training volume reduces joint wear and injury in people who lift

We read no study that tests this. The studies we found on weight training injuries could not be read in full, so they are listed as waiting and do not count.

No study we found tests this point yet. 10 more studies are waiting for a full read and do not count yet.

No study we found tests this point. These were read, and each tests a different question:

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