Question

Why do cramps develop after vigorous exercise?

Answer 1

due to formation of lactic acid in muscles it causes cramps in our body. Due to accumulation of excessive lactic acid in our muscles,we get muscle cramps after vigorous exercise.This can be cured by applying massage or soaking the affected part in hot water.
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Answer 2

It is due to the formation of lactic acid in the legs and less supply of oxygen. We can treat it by a hot massage.