Exercise Ball Leg Curl

Instructions

1. Lie on your back with heels resting on top of an exercise ball and arms at your sides.
2. Lift your hips off the floor by squeezing your glutes to form a straight line from shoulders to heels.
3. Curl the ball toward your glutes by bending your knees while keeping hips elevated.
4. Slowly extend your legs to roll the ball back out and repeat.