Hamstring Curl

The Hamstring Curl exercise works your butt and hamstrings.

-Love your legs workout: Hamstring curl - Lie face up on the floor and place your heels on a folded towel, then pull your heels towards your butt until your knees are bent 90 degrees and your hips are lifted off the floor. Do 2 to 3 sets of 15 to 20 reps.