
lie prone on swiss ball, elevate arms overhead in y position with elbows flexed to 90 degrees while squeezing shoulder blades together.
Lie on Swiss Ball such that stomach and chest is on the ball and toes on the floor and arms hanging towards the floor. Squeeze the shoulder blades and elevate the arms overhead with elbow flexed to 90 degree, lower the hand towards floor to starting position and repeat.
Nothing here is a prescription. Your physiotherapist decides which of these are yours, and when.