Bender Ball Mini Ab Ball
Bender Mini Ab Ball helps you to cranks up the intensity and targets the muscles you want from all sides - your upper abs, the sides and those hard to reach lower abs. With a regular crunch on the floor, you're limited, you can only go forward, you can't go back. With the Bender Ball, you're getting extension back and flexion forward, which works your muscles more effectively.The Bender Ball gives you a workout that's up to 408% more effective than ordinary crunches.