
maintain shoulder abduction at 120 degrees while pushing ball against wall and performing clockwise and counterclockwise circles
Stand next to the wall, elevate the arm straight by the side to 120 degree, place a ball between the wall and hand. Push the ball in the direction of wall, maintaing the push make circles using ball in clockwise and anti-clockwise. Repeat.
Nothing here is a prescription. Your physiotherapist decides which of these are yours, and when.