Superman: This uber-effective back-strengthening exercise should be part of your normal routine. Don't let its simplicity fool you — the Superman is one of the best ways to tone your back muscles while balancing out your body.
The No-Equipment Workout: Sit n sculpt Squat with back to wall, right thigh parallel to floor, left ankle on right knee, arms against wall like a goalpost. Keeping arms pressed against wall, slide arms up until slightly bent (as shown). Lower arms for 1