Andrew Huberman· PhD
If you get too hot, you stop exercising. You may not even realize it, but your will to exercise further, your ability to push harder is entirely dependent on the heat of the muscle, both locally and your whole system.
The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
If you get too hot, you stop exercising. You may not even realize it, but your will to exercise further, your ability to push harder is entirely dependent on the heat of the muscle, both locally and your whole system.
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The range of temperatures within which ATP can function and muscles can contract is very narrow. Somewhere around 39 or 40 degrees Celsius, it drops off and you will not be able to generate more contractions.