Ball Side Crunch
- Lay on the ball with your shoulder blades above the ball and your back flat. Feet
should be flat on the ground with knees bent 90 degrees. Place your hands behind
- Perform a crunch, focusing on bringing one elbow towards your knees.
- Hold for 2 seconds, then return to the starting position.
- Repeat for the other side.
- Be sure that you are comfortable and stable on the ball before trying any ball