This exercise adds a variation to a standard crunch for abdominal muscles.
How to perform this exercise:
- Start on with you back on a stability ball
- Place your hands behind your head
- You can also fold your hands across your chest instead
- Try to maintain a back ward pelvic tilt while raising your shoulder blades off the stability ball
- Return to starting position on the stability ball and repeat
- Repeat this exercise 10 -15 times