
supine arm elevation overhead with straight elbows, towel support under elbows for scapular stability.
Lie on the back with feet on the floor and knees bend, arms by the side with thumb pointing towards the ceiling, place a towel under the elbow. Elevate the arms overhead by the side keeping elbow straight, lower the arm back to starting position and repeat.
Nothing here is a prescription. Your physiotherapist decides which of these are yours, and when.