
standing wall-supported shoulder internal rotation with elbow flexed ninety degrees, rotating arm medially while maintaining trunk contact.
Stand facing against the wall with back resting on the wall, elbow close to the trunk with bend to 90 degree and fist facing towards the ceiling. With maintaing the contact of back with wall, rotate the arm towards the body without moving elbow. Back to start position and repeat.
Nothing here is a prescription. Your physiotherapist decides which of these are yours, and when.