noun General Slang

muscle memory

MUSS-ul MEM-uh-ree · noun · informal

Regaining lost muscle fast after time off.

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Definitions

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The phenomenon where previously trained muscle returns to its former size and strength much faster than it was first built.

“He got jacked again in weeks thanks to muscle memory.”
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muscle memory In A Sentence

He got jacked again in weeks thanks to muscle memory.

Origin & Usage

Physiology-based concept (myonuclei retention) common in gym talk.

People Also Ask

What is muscle memory in the gym?

It's how previously built muscle comes back much faster after a layoff than it took to build the first time.

Is muscle memory real?

Yes — research points to retained myonuclei in muscle fibers as a mechanism that lets trained muscle regrow quickly after time off.

How long does muscle memory last?

The retained myonuclei appear to persist for a long time, possibly years, which is why long-time lifters bounce back quickly even after extended breaks.

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