The first belly roll exercise.

Second fold sit-ups.

Third, static plate support.

Fourth, with the help of some abdominal exercises, the above exercises have a good effect on abdominal exercises. But no matter what kind of exercise you do, you must do the following. First, the posture should be accurate. Second, the amount of exercise should be moderate, and the amount of exercise is too small to achieve the effect of exercise. Excessive exercise can lead to strain or injury. Third. To avoid injury, warm up before exercise and pay attention to physical recovery after exercise. Fourth, exercise should be gradual and persistent, and the amount of exercise can be gradually increased from a small amount. Exercise for at least half an hour at a time, at least four to five times a week.