
bilateral shoulder external rotation at 90 degrees elbow flexion using resistance band for rotator cuff strengthening.
Stand, bend the elbows to 90 degrees such that thumb pointing away from each other, with holding either end of theraband with each hand. Rotate the arm away from each other without moving the elbow, rotate back to starting position and repeat.
Nothing here is a prescription. Your physiotherapist decides which of these are yours, and when.