(1) First, shake hands with your hands behind your back, keep your arms as straight as possible, and lift them as far as possible.

(2) Do this 50 times. At this time, you will feel that the upper part of the scapula is squeezed, which will also help to exercise the muscles of the chest.

2. Method 2:

(1) Sit up straight, straighten your back and take a deep breath.

(2) Bend your knees, put your feet firmly on the floor, and put your hands behind your body to keep your center of gravity.

(3) Inhale, lift your hips off the ground, and exhale for 5~ 10 seconds.

(4) Reduce slowly, relax and adjust breathing. This group of exercises is done 10~20 times.

3. Method 3:

(1) Facing a certain height of fixed objects, such as tables, cabinets, bedsteads, etc.

(2) Keep your feet shoulder width apart, bend your upper body forward, hold the object with both hands, raise your head, bend your back, and press down hard.

(3) Press, pause for two seconds, and then get up. Repeat 10 or more groups.