How to Do a Hamstring Curl with Stability Ball

The hamstring curl with stability ball utilizes a support to help raise the legs and hips off the floor. This leg exercise also works the back muscles.

Step 1
Assume start position as shown by lying on the floor, back of calves resting against ball.


Step 2
Lift butt off floor by lifting hips toward ceiling.


Step 3
Pull the ball in with your feet.

Step 4
Push the ball back out.


Step 5
Return to start position.


Step 6
Repeat.