1, stand against the wall, eat as little as possible for dinner, and eat lightly. It's still half an hour after dinner. Clamp your hips and stick your whole back against the wall. Keep your hips, back, legs, waist, head and neck as close to the wall as possible.

2, lying flat, lifting legs and abdomen, this action uses the strength of abdominal muscles. Lie on your back, put your arms on your sides naturally, cross your legs, lift your legs with the strength of your abdominal muscles, bend your knees, then put down your legs and repeat this action. This action is relatively simple and easy to learn, but you must use abdominal strength, not leg strength.

3, arm flexion movement, the body is lying flat on the floor, hands are straight to the top of the head, hands overlap, knees are bent, and then the upper body and shoulder list are forcibly lifted upward, try not to stretch the neck, and the arms are always straight.