Strengthens the flexor muscles of the hip, neck and abdominals

  1. Lie on a swiss ball with your lower back comfortably supported by the ball
  2. Draw your belly button in towards your spine and squeeze your buttocks so that your hips/pelvis lift off the ball slightly
  3. Keeping your buttocks tight, slowly crunch up lifting one vertebrae off the ball at a time, forcefully exhale
  4. Return slowly to the starting position as you inhale and repeat for twenty reps
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