causal
Analysis v1
Strong Support
Lifting weights many times in a row (20-28 reps) helps young men who don't exercise get better at cardio, making them able to breathe easier and last longer during workouts compared to lifting fewer reps.
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0
Evidence from Studies
Supporting (1)
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Community contributions welcome
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Muscular adaptations in response to three different resistance-training regimens: specificity of repetition maximum training zones
Randomized Controlled Trial
Human
2002 NovThe study shows that doing lots of reps with lighter weights really boosts endurance and aerobic fitness in young men who don't usually exercise, 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.