FOR HOT PERFORMANCE, COOL YOUR BODY

The most important thing to understand – if you get too hot, your ability to contract your muscles stops.

When the heart rate from heat combines with the heart rate from effort, the body hits its limit faster, and performance drops.

Muscle contractions depend on a molecule called ATP. When your muscles overheat, ATP function breaks down—and whether you realize it or not, that’s when your performance ends

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