This move tones the inner thighs while working the abs, too.
- Lie on your right side with legs in line with your shoulders and the ball at your ankles.
- Keep your abs engaged as you lift your legs thee to five inches off the ground.
- Maintain this position, and squeeze the ball 20 times.
- Continue squeezing the ball, and lift your legs one inch higher 10 times to work your waist.
- Repeat on the other side to complete a set. Do three sets.