Lie with your back slightly arched, holdinga four-pound medicine ball an inch above yourchest. Bend your right leg, and lift your left legthree inches. Raise your lower body threeinches, using your glutes, as you extend yourarms up. Return to the start position. Do twosets of 12 reps.
*Workout clothes, Lulu lemon Athletica.Sneakers, Reebok. *