(1) Cold stimulation of external environment, such as low room temperature in winter nights, too thin quilt when sleeping, or exposed legs and feet.
② Fatigue, sleep, lack of rest or excessive rest lead to the accumulation of local acid metabolites, which can all cause muscle spasm. Too long walking or exercise time, excessive fatigue of lower limbs or insufficient rest and sleep will lead to lactic acid accumulation. Sleep rest time is too long, blood circulation slows down and carbon dioxide accumulates.
③ Decreased estrogen and osteoporosis in elderly women will lead to decreased blood calcium level, increased muscle stress and frequent spasms.
4 Poor sleep posture, such as lying on your back for a long time, making the quilt press on the foot surface, or prone for a long time, making the foot surface close to the bed, forcing some muscles of the calf to be in an absolute relaxed state for a long time, resulting in "passive contracture" of the muscles.
What should I do if my calf cramps? According to different reasons, taking the following different countermeasures can quickly relieve spasm and relieve pain. When cramps occur, as long as you do the opposite, that is, pull your toes in the opposite direction of the force, and stick to it for more than l~2 minutes, you can get the effect.
Specifically, if it is a muscle cramp at the back of the calf, on the one hand, you can pull your foot to make it upturned, on the other hand, you can straighten your knee as much as possible; When the muscles in front of the calf cramp, you can press the foot plate and bend your toes hard.