
shoulder internal rotation exercise performed supine with elbow supported at 90 degrees, rotating forearm toward floor
Lie on the back with feet on the floor and knees bend and place a towel roll under the elbow and bend to 90 degrees such that hand facing the ceiling. Rotate the arm towards the floor without moving the elbow position, rotate the arm back to starting position. Repeat.
Nothing here is a prescription. Your physiotherapist decides which of these are yours, and when.