Doing a single-muscle exercise before a bigger workout makes your muscle work harder and grow more because it gets tired first.

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Pro

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Against

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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The effects of pre-exhaustion, exercise order, and rest intervals in a full-body resistance training intervention.

Randomized Controlled Trial

Human

2014 Nov

The study found that doing an isolation exercise before a compound one didn't make muscles grow more than doing them in the opposite order or with rest in between. So, it goes against the idea that pre-fatigue boosts muscle growth.

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