stand holding vertical stick behind back, pull down to slide affected hand up toward neck, return and repeat.
Stand, place a stick behind the back in vertically, hold upper end with affected hand at head level and lower end with other hand at lower back level. Pull the stick down with the hand behind the lower back, such that affected hand slide towards the neck. slide back to starting position and repeat.
Nothing here is a prescription. Your physiotherapist decides which of these are yours, and when.
