
stand facing wall with arm at 90 degrees flexion, press ball against wall and make controlled circular movements clockwise and counterclockwise
Stand facing the wall, elevate the arm forward to 90 degrees on wall, place a ball between the wall and hand. Push the wall, maintaing the push make circles using the ball in clockwise and anti-clockwise. Repeat.
Nothing here is a prescription. Your physiotherapist decides which of these are yours, and when.