Why Is It So Hard To Exercise In The Heat?

T05c4n4l1f3/ March 26, 2021/ sports/ 0 comments

Muscles that are active during exercise demand more energy and, consequently, increased blood supply and delivery of oxygen. This means the heart has to work harder to re-circulate blood to the active muscles. Exercising muscles also generate heat, as a by-product of chemical reactions inside cells. This increases core body temperature which, if not compensated for, can compromise the ongoing

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