causal
Analysis v1
Strong Opposition
If you take a one-week break from lifting weights halfway through a 9-week workout plan, you might lose a little bit of your strength gains in your legs, but your muscles won’t shrink any more than if you kept going, and your endurance and power won’t be affected.
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Evidence from Studies
Supporting (0)
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Community contributions welcome
No supporting evidence found
Contradicting (1)
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Community contributions welcome
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Gaining more from doing less? The effects of a one-week deload period during supervised resistance training on muscular adaptations
Randomized Controlled Trial
Human
2024The study found that taking a one-week break from leg workouts during a 9-week program made people weaker in strength tests, but their muscles didn’t grow less, and their endurance and power stayed the same — just like the claim said.
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.