Figuring that even the most harried among us can manage to devote 10 minutes a day to exercise, fitness dynamo Tamilee Webb has designed four workouts of just that duration focused on cardio, core and buns. From old favorites such as donkey kicks and leg lifts to fun cardio step routines, a bouncing ball workout and a relaxing cooldown stretch, Tamilee shows exercisers how to maximize their time while molding their bodies.