Question

why do we get muscle cramps after heavy exercise?​

Answer 1

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Electrolyte depletion and dehydration theory

It is widely believed that excessive sweating due to strenuous exercise can lead to muscle cramps. Deficiency of sodium and other electrolytes may lead to contracted interstitial fluid compartments, which may exacerbate the muscle cramping.

Answer 2

We get muscle cramps due to the secretion of lactic acid in muscles. When we exercise, due to intense work given to muscles the secretion of lactic acid increases even more this causes heavy muscle cramps.

Therefore, we should not do heavy exercise and we must avoid exercising while having a muscle cramp