This exercise provides flexibility as it strengthens the muscles of the back and core.
- Lie prone (on your stomach) on a Stability Ball with your toes firmly planted on the floor for balance.
- With your hands across your chest or at your ears, raise your chest off the ball so you are hyperextending your spine.
- Slowly return your chest to the ball.
- Type: isolation
- Primary: lower back
- Secondary: core, hamstrings
- Equipment: exercise ball