causal
Analysis v1
Strong Support
If you lift weights until you can't do another rep, your body feels like you worked harder than if you stopped before failure—even if you did the same total number of reps and sets.
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Evidence from Studies
Supporting (1)
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Community contributions welcome
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Acute effects of equated volume-load resistance training leading to muscular failure versus non-failure on neuromuscular performance
Randomized Controlled Trial
Human
2020 MayWhen people lift weights until they can't do another rep, their bodies get more tired than when they stop before failure—even if they do the same total amount of lifting. This study shows that failure training leaves you more drained for much longer, which means it feels harder and puts more stress on your body.
Contradicting (0)
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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.