The cold air is coming and the weather is getting colder. Late at night, suddenly woke up by a pain in the calf, after a toss and turn pain relief, but sleep does not exist; what happened? I’ll tell you today: leg cramps are to blame! Why do leg cramps occur? The scientific name for “cramp” is muscle spasm; spontaneous tonic muscle contraction caused by cold stimulation, exercise fatigue, resulting in muscle spasm, which leads to “cramp”. What is the principle of cold leg cramps? We often say that “heat expansion and cold contraction” and Chinese medicine says “cold is the main attraction” is this principle. How does exercise fatigue trigger cramps? The first is the lack of exercise for a long time, suddenly after a strenuous exercise, neuromuscular abnormal excitement, resulting in muscle fiber bundle pull strength is much greater than the normal muscle pull degree, resulting in muscle cramps; another situation is that after a long period of exercise, muscle fatigue, and the lactic acid produced can not be metabolized in time, resulting in the accumulation of lactic acid, can also induce muscle cramps. What else is possible with leg cramps? We believe that when the calcium ions in the human blood are lowered, the muscles are easily excited and cramps are induced; that is, the people say “calcium deficiency”. How to relieve calf cramps if you experience them? Here to teach you a set of simple, practical massage tricks: 1, the opposite: is the opposite direction of the force of the hook foot or toe, for 1-2 minutes will be relieved! 2, point therapy effect is good: (1) massage strip mouth point (located in the front of the outer calf, when the calf nose under 8 inches, from the front edge of the tibia a horizontal finger (middle finger), calf nose and Xiexi line, in the front of the tibia muscle;) two thumbs superimposed, press this point for 2-3 minutes, the point has the effect of dredging the meridians, relief of spasm and pain. (2) point pressing Chengshan point: (located at the tail end of the floating muscle on the back side of the calf), superimpose both thumbs and press this point firmly for 2-3 minutes, this point has the efficacy of regulating qi and relieving pain, unblocking and activating the meridians, and is very effective for muscle spasms. (3) pinch the calf: wait for the calf pain symptoms to ease, repeatedly hold the hand in the calf muscle from top to bottom repeatedly, so that the leg muscles quickly engorged with blood, can make the pain symptoms fully disappear. Warm tips: 1, pay attention to leg warmth, so that the normal circulation of blood. 2, usually strengthen physical exercise, do more leg stretching movements, and do a good job of warming up before exercise. 3, every day before going to bed with hot water bubble feet (to not over the calf is appropriate), to strengthen the blood circulation in the legs. 4, if a long time leg muscle spasm can not be relieved, and the number of frequent, it is recommended to go to a specialist (such as peripheral vascular clinic) first, so as not to delay the disease. 5, muscle spasm should not be forced to pull, to prevent muscle strain, should be gradual.