Hamstring Curl w/ Leg Lift: What To Do: Three sets of 10 reps on each leg. Set Up: Lie faceup on the floor with your arms at your sides, heels on top of a stability ball. Lift your hips from the floor and raise one foot from the ball, pointing your toes to the ceiling, [A] then bend your opposite knee to draw the ball in toward you [B]. Action: Slowly lower your raised leg until it is an inch or two from the surface of the ball [C]. Raise your leg back up and repeat. When your set is through, repeat with your other leg.
Stability-ball Bridge w/ Leg Circles: What To Do: Three sets of 20 reps (10 circles in each direction) on each leg.Action: Set Up: Lie on a mat with your heels resting on top of a stability ball [A]. Action: Slowly lift your hips from the ground until your body forms a straight line [B].Next, raise one leg, pointing your toes toward the ceiling, and circle your leg 10 times to the right, then ten times to the left. Return your heel to the ball, then raise your other leg and repeat.