Turning the leg belly is also called the back side of the calf muscle cramps, do a long time fatigue of the lower limbs of the physical exercise population is more common, cramps should let the patient sit up and rest, the knee is straight, the patient’s entire lower limb lifted up, the patient’s ankle dorsiflexion, can sustained pulling the muscles of the back side of the calf, so as to fight with the cramp to pull the back side of the calf muscles, so that it relaxes to relieve the symptoms of cramps! The cramp can be slowly relieved in about 3-5 minutes. After the relief can not continue to do sports, must rest mainly, can use local hot compresses to promote local blood circulation, so as to relieve the pain in the later stage.