quantitative
Analysis v1
Strong Support
When guys who’ve never lifted weights start training, most of their strength gains come from their muscles getting bigger—not from their brain and nerves getting better at telling muscles to work harder.
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Evidence from Studies
Supporting (1)
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Community contributions welcome
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The study found that when untrained guys get stronger from lifting weights, most of the gain comes from their muscles getting bigger — not from their nerves getting better at telling muscles to work. The numbers show muscle growth is over five times more important than nerve changes.
Contradicting (0)
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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.