
lean forward with arm hanging, gently swing dumbbell side to side using gravity and momentum.
Stand facing the backrest of chair with one leg forward, hold a dumbbell in exercising hand and lean forward and other hand resting on back rest of chair. Hang the arm holding dumbbell towards floor and move it side-to-side direction. Back to starting position and repeat.
Nothing here is a prescription. Your physiotherapist decides which of these are yours, and when.