Fight the sag with this combination of dance-inspired routines designed to tone, trim and strengthen upper body, thighs, abs and buns. In these diverse workouts, fitness pro Kathy Smith targets specific muscle groups: "Upper Body Lift" tones arms, shoulders and chest; "Leg Lift" includes squats, curls and lifts; "Butt Lift" focuses on reshaping the glutes; and "Tummy Lift" flattens the stomach with core-conditioning exercises.