
sit on swiss ball with feet flat, hands on waist, side bend laterally while maintaining balance, return to neutral
Sit on the Swiss ball, with feet touches the floor and hips-knees at 90-90 degrees and hands on the waist. With maintaing the balance, side bend to one side, back to starting position and repeat.
Nothing here is a prescription. Your physiotherapist decides which of these are yours, and when.