1, feet are shoulder width.
2. Support the upper body with arms 1.5 times the shoulder width.
3. Slowly move the upper body to the right hand, so that the right arm is at a right angle of 90 degrees.
4. Then slowly move to the left until the left arm is bent at a right angle of 90 degrees.
5, chest position close to the ground away from a little distance, so that you can fully exercise to the shoulders.