1. Sit in the chair of 1/3 and straighten your back.

2. Bend your left elbow, put your left palm on your right back, hold your left elbow with your right hand, adjust your arm position, open your shoulders as far as possible, and stay for a deep breath.

3. Restore and change hands and do it again.

4. Raise your left hand, bend your elbow from top to bottom, hold your right hand from bottom to top, hold your left hand around your back, try to expand your chest and straighten your waist, and take a deep breath.

5. Restore and change hands and do it again.

Action 2: Curved arm style

1. Keep your upper body straight and naturally sit in two-thirds of the chair with your feet parallel. Arms straight up, shoulder height, fist up. This is a preparatory action, breathing naturally.

2. Inhale, bend your elbows at right angles to your arms, and then exhale. Bend your elbows against your shoulders and contract inward. Repeat 12 times, 12 times once, twice a day, preferably slowly.