Oblique Abdominal Muscles on the Exercise Ball
- Put a Pilates ball in the middle of an exercise mat. Sit down directly in front of the Pilates ball and lean back so that your lower back rests on the ball.
- Bring your upper body toward your knees, as if you are doing a crunch or a sit-up. Now bring your left elbow toward your right knee.
- Return to the start position. Now repeat as above, but take your right elbow to your left knee.
Repeat the exercise 10-12 times to each side, rest then repeat the exercise if desired.