1. Yoga ball push-ups: strengthen the stability of core muscles and strengthen the strength of trunk and upper limbs.

Action Description: Face the ground, put your knees on the yoga ball, put your hands vertically on the ground below your shoulders, and slowly do push-ups. Inhale hard, bend your elbows slowly and stretch your chest muscles. Exhale, elbow stretching and contraction of chest muscles, and so on.

3. The function of yoga ball belly rolling: tightening rectus abdominis, strengthening the core and flattening the lower abdomen.

Exercise instructions: Lie on the ground with your back on the ground, with your legs raised at 90 degrees to your body. Bend your knees slightly, put the yoga ball on your calf, slowly straighten your arms, exhale, lift your upper body and contract your abdominal muscles. Slowly return to the starting position and repeat the action. Note: Don't stick your head on the ground.

3. Leg lifting function after yoga ball: massage abdominal muscles, tighten hip muscles and shape beautiful lines.

Exercise instructions: face the ground, put the yoga ball on the lower abdomen, bend your elbows on the ground, and stretch the muscles of your hips and waist. Exhale, lift your legs up, pay attention to your hips and waist, slowly return to the starting position, and repeat the action. Note: Don't shake your body and concentrate on your memory.

4. Tighten the waistline.

Legs together, hands high, fingers opposite, take a deep breath, abdomen and chest, and lift your whole body up as hard as possible. Thin waist and abdomen, tall and straight posture. Stand with your legs as far apart as possible, raise your left arm, slowly stretch your body to the right, hold the ball with your right hand until your left arm is parallel to the ground, take a deep breath and keep this position for a few seconds. This action can improve the strength of the whole back.