Whether you push weights up or lower them slowly, if you do the same amount of total work, your muscles grow about the same size.

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Evidence from Studies

Supporting (1)

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Skeletal Muscle Remodeling in Response to Eccentric vs. Concentric Loading: Morphological, Molecular, and Metabolic Adaptations

Narrative Review

2017

When you lift weights by pushing up (concentric) or lowering them slowly (eccentric), and you do the same total amount of work, your muscles grow about the same size — the study confirms this.

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.

Source Study

Skeletal Muscle Remodeling in Response to Eccentric vs. Concentric Loading: Morphological, Molecular, and Metabolic Adaptations

Score: 1

DOI: 10.3389/fphys.2017.00447

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