causal
Analysis v1
Strong Support
Lifting heavy weights three times a week for six weeks makes untrained young men much stronger than lifting light weights, even though both groups gain about the same amount of muscle size.
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Evidence from Studies
Supporting (1)
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Community contributions welcome
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Greater Neural Adaptations following High- vs. Low-Load Resistance Training
Randomized Controlled Trial
Human
2017The study looked at the same type of weight training as the claim and found that lifting heavier weights made people much stronger than lifting lighter weights, even though both groups got similarly bigger muscles, which matches what 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.