1. Stand with your feet about 6 inches from the edge of the wall.
2. Bend your knees slightly and put your back flat against the wall.
3. Bring your arms to 90 degrees against the wall. Move your arms up and down in the “wall angel” movement.
4. As you move your arms, make sure your shoulder joint is in a neutral position and you are using the lower traps and lats between your shoulder blades. Avoid using the upper traps or rolling the shoulder joint at all.