Doing resistance training more often won’t make your muscles much bigger if you’re a young guy, but it will definitely help you get stronger.

48

Pro

0

Against

Evidence from Studies

Supporting (1)

48

Community contributions welcome

48

The Resistance Training Dose Response: Meta-Regressions Exploring the Effects of Weekly Volume and Frequency on Muscle Hypertrophy and Strength Gains.

Systematic Review With Meta-Analysis

Human

2026 Feb

This study found that doing resistance training more often doesn't really make your muscles bigger, but it does make you stronger — just like 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

The Resistance Training Dose Response: Meta-Regressions Exploring the Effects of Weekly Volume and Frequency on Muscle Hypertrophy and Strength Gains.

Score: 48

DOI: 10.1007/s40279-025-02344-w

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Training more often helps you get stronger, but doesn’t seem to help you get bigger muscles—so frequency matters more for strength than for size.

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If you're a young guy lifting weights more often each week, you'll likely get stronger faster—but that doesn't mean your muscles will get noticeably bigger.

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