Analysis Version
v1
History
Back to Study: Increasing set volume relative to baseline does no...
causal
Analysis v1
55
Pro
0
Against

If you're someone who works out a little but not super hard, just keeping up your usual routine for 3 months can actually make your biceps bigger and stronger — you don’t need to go all out.

Context Details

Domain

exercise_science

Population

human

Subject

recreationally trained individuals

Action

produces

Target

significant increases in elbow flexor muscle thickness and 1RM strength

Intervention Details

Type: exercise
Duration: 12 weeks

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.

Evidence from Studies

Supporting (1)

55
55

Increasing set volume relative to baseline does not augment skeletal muscle adaptations when compared to maintenance of baseline training volume in recreationally trained individuals

Randomized Controlled Trial
Human
2025 Apr

The study found that even if people just keep doing their usual workout routine without adding more sets, their arm muscles still get bigger and stronger over 12 weeks — so you don’t need to train harder to see results.

Contradicting (0)

0
No contradicting evidence found

Source Study

Increasing set volume relative to baseline does not augment skeletal muscle adaptations when compared to maintenance of baseline training volume in recreationally trained individuals

Score: 55
DOI: 10.1007/s00421-024-05655-4

Similar Assertions

If you're an average gym-goer doing one-arm bicep curls, doing more sets than your usual routine won't make your arm muscles bigger or stronger—your gains plateau at your current volume.

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If you're just casually working out, doing a few sets of bicep curls with one arm is just as good for getting stronger as doing a lot more sets—your muscles don't need extra work to keep improving past a certain point.

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If you do the same amount of work with your arm in front or behind you, you'll get just as strong at lifting heavy weights — the position doesn't matter.

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After doing bicep curls 24 times over 12 weeks, women’s upper arm muscles got noticeably thicker, no matter which way they did the curls.

38
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Even if you don’t lift heavier or do more workouts after six months, your muscles can still get stronger — your brain and nerves are probably getting better at telling your muscles when and how to contract, not just making them bigger.

55
0
75%