supine crunch with feet elevated on swiss ball, hips and knees flexed to 90 degrees, arms overhead.
Lie on the back with arms elevated overhead and feet on ball, hips-knees at 90-90 degrees bend. Lift head, shoulders, arms and upper back off the floor, lower the upper body, heads and arms to starting position. Repeat.
Nothing here is a prescription. Your physiotherapist decides which of these are yours, and when.
