You can perform this exercise with or without your prosthesis.
Lie on your front with your hands by your shoulders and your elbows by your side.
Lift your head while keeping your neck long.
Squeeze your shoulder blades together so your elbows are close to your side, and your hands lift off the floor.
Arch your back and further lift your chest off the floor.
Hold for a moment and in a controlled manner return to the starting position.
