stand facing away from wall, squat to ninety degrees with buttocks against wall while raising heels off floor and holding position
Stand with back facing the wall, rest your buttock on wall and crossed arm over chest. Now start the squats to 90° in such a way that buttocks press the wall and heels off the floor and hold the legs. Come back to starting postion and Repeat.
Nothing here is a prescription. Your physiotherapist decides which of these are yours, and when.
