STREET · GYM · ROUTINE

mTOR Switch

The “switch” for building muscle stays on about a day or two after you train. Train too rarely and it’s off for long stretches.

BASIC · mTOR

What’s mTOR?

  • Hard sets turn on a “switch” in muscle cells → that’s mTOR
  • It stays on roughly a day or two while the muscle-building factory runs
  • So frequent switch-ons often beat one brutal session followed by a long break
More detail + evidence →

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