People who don’t lift weights regularly lose more muscle sugar during a workout than those who train regularly—likely because their bodies are less efficient at using energy.

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Against

Evidence from Studies

Supporting (1)

50

Community contributions welcome

50

Acute effects of resistance exercise on skeletal muscle glycogen depletion: A systematic review and meta‐analysis

Systematic Review With Meta-Analysis

Human

2025 Dec

The study found that people who don’t usually lift weights lose more stored energy (glycogen) in their thigh muscles after a workout than people who lift regularly — and the difference was exactly 11.7 units, just like the claim says.

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No contradicting evidence found

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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

Acute effects of resistance exercise on skeletal muscle glycogen depletion: A systematic review and meta‐analysis

Score: 50

DOI: 10.14814/phy2.70683

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