Back to We Need to Talk About Jeremy Ethier’s New Study
Supported
comparison
Analysis v1
History

Holding a muscle stretched while pushing against something still makes it grow more than holding it short, even if you don’t move.

46
Pro
33
Against

Evidence from Studies

Supporting (1)

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Community contributions welcome

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Differential changes in muscle architecture and neuromuscular fatigability induced by isometric resistance training at short and long muscle-tendon unit lengths.

Randomized Controlled Trial
Human
2020 Jul 1

Contradicting (2)

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Community contributions welcome

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Effects of Low-Intensity Torque-Matched Isometric Training at Long and Short Muscle Lengths of the Hamstrings on Muscle Strength and Hypertrophy: A Randomized Controlled Study

Randomized Controlled Trial
Human
2023 Oct 1
33

Does Muscle Length Influence Regional Hypertrophy? A Systematic Review and Meta-Analysis

Systematic Review With Meta-Analysis
Human
2025 Dec

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Similar Assertions

Training muscles through a full range of motion or lengthened partials produces greater hypertrophy than training through shortened partials, particularly in distal muscle regions.

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71%

Total training volume, training intensity, and consistency are more significant determinants of muscle hypertrophy than the specific muscle length at which training occurs.

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70%

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