supine trunk rotation crunch with hips and knees at 90 degrees, feet on ball, alternating sides
Lie on the back, hands behind the head and legs straight forward on swiss ball. Lift the head shoulders and upper trunk off the floor and twist to one side and lift the opposite leg straight off the ball. Untwist and lower the leg to starting position and repeat
Nothing here is a prescription. Your physiotherapist decides which of these are yours, and when.
