Swiss Ball Butt and Hamstring Busters

Feel the burn! Keep them up though. These not only give toned hamstrings, but a perky butt too!

1. Lie on the ground with your feet up on a swiss ball.
2. Raise your hips so that you have a straight or slightly arched back.
3. This is the start position
4. Bend your knees to 90 degrees
5. The ball will roll with your feet.
6. Make sure that you do not bend at the hips.
7. Hold for about a second.
8. Roll back to the start position.
9. Repeat.

How many should you do? 3 reps of 10!