
isometric squat hold against wall with back supported, knees bent to mid-range position, feet hip-width apart.
Stand with feet hip-width apart, hands crossed over chest. Stand with your back facing but not leaning against the wall. Bend your knees and squat as if sitting on a chair and lean your back against the wall. Hold the position before returning to starting position.
Nothing here is a prescription. Your physiotherapist decides which of these are yours, and when.