
isometric shoulder elevation at 30 degrees scaption plane against manual resistance, thumb up position
Stand, elevate the arm to 30 degrees at angle of 30 degree from the trunk, thumb pointing towards the ceiling. Place other hand just above the wrist. Elevate the arm further against the resistance of other hand. Release the resistance and repeat.
Nothing here is a prescription. Your physiotherapist decides which of these are yours, and when.