Leg cramps usually occur when muscles are tired, which is suddenly caused by cold air and cold water. Because the human body will also be cold because of sweating, and convulsions will occur in summer; In addition, when exercising, tired feet encounter cold air, sweat makes the body cold, and muscles suddenly stretch, which is easy to cause cramps. Generally speaking, the most common cause of cramps is insufficient warm-up. If you exercise too much, it will also cause cramps. In fact, if you talk for a long time, it may be that you didn't do a good warm-up exercise at first, and the exercise has reached the limit of your body. If it is prolonged for a long time, it will cramp. In addition, if you exercise less at ordinary times, this will happen suddenly for a long time. Prevention is more important than treatment, especially those who have had cramps during exercise, so they should pay more attention to prevention and health care at ordinary times. Be sure to complete 10 to 20 minutes of warm-up exercise before each exercise, including complete stretching exercise; Don't do long or strenuous exercise in a cold, overheated, poorly ventilated or closed space. Drink enough water before, during and after exercise. Never wait until you feel thirsty to drink water. It is recommended to drink professional fitness drinks. You should have a balanced diet at ordinary times. In addition, keeping a relaxed and happy mood to exercise can not only avoid cramps, but also let us really enjoy the fun of exercise and achieve the effect of physical and mental comfort. I hope it will help you after reading it.