1, get up and exercise, keep the hip joint close to the ground, and keep the lower back and hips relaxed.
2. Pull one knee joint with one knee until you feel moderate stretching of the lower waist and buttocks, and repeat the same action for the other knee joint.
3. Pull the chest to the ground in the middle waist and stretch the upper body as much as possible.
4. Sit-ups Put your feet in a very high position, put your arms behind your neck or chest, level the whole pelvis, and raise your head and shoulders.
5. Pelvic lifting makes the back stick to the bed surface through abdominal and hip muscles.