1, sideways bending action: first, the body is upright, the legs are separated, the arms are raised horizontally from left to right, the upper body is bent forward, the fingers of the left hand touch the right foot, the right arm is naturally raised, the legs and arms are not allowed to bend, inhale, and then exhale. In the other direction, repeat. Do it eight times in a row

2. Leg flexion: supine position. Put your arms flat on the ground, bend your knees and lift them at the same time after straightening your legs, and inhale to make your thighs close to your abdomen; Then exhale and slowly restore. Repeat 8 times.

3, lifting legs and abdomen: mainly to develop lower abdominal muscles. Lie flat on your upper body, straighten your legs as high as possible, and then slowly put them down. After this action is done evenly, bend your knees and continue to do the same action. Repeat 8 times.

4, sitting posture: mainly for the development of upper and lower abdominal muscles. Straighten your knees, lean back and forth, keep your body balanced, and then bend your knees and abdomen to make your abdominal muscles flex extremely. In practice, feet can never touch the ground.

5. "Cycling" exercise: supine position. Take turns to bend and stretch your legs, imitating the action of pedaling a bicycle, fast and flexible, and the range of flexion and extension is as large as possible. For 20-30 seconds.