Calf cramps

Calf cramps, people in the north commonly call "legs and stomachs cramps". The contraction or relaxation of the leg muscles during exercise will cause the blood vessels to be squeezed, and the blood circulation of the legs will be accelerated, so that the metabolic products can be taken away in time. However, due to various factors, the accumulation of metabolites can reach a certain level, which will strongly stimulate the muscles to contract, which will cause calf cramps.

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