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Supported
causal
Analysis v1
History

Lifting lighter weights with more reps might make your slow-twitch muscles grow bigger than lifting heavier weights with fewer reps.

47
Pro
46
Against

Evidence from Studies

Supporting (1)

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Community contributions welcome

42

Type 1 Muscle Fiber Hypertrophy after Blood Flow–restricted Training in Powerlifters

Randomized Controlled Trial
Human
2019 Feb

Contradicting (1)

46

Community contributions welcome

46

The Effects of Low-Load Vs. High-Load Resistance Training on Muscle Fiber Hypertrophy: A Meta-Analysis

Systematic Review With Meta-Analysis
Human
2020 Aug

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Similar Assertions

Lifting heavier weights makes your fast-twitch muscle fibers grow bigger than lifting lighter weights does.

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