4. Around-the-World Obliques

Standing with your legs wider than your shoulders, turn out your toes a little and make sure your tailbone is tucked in.

Holding a light weight (5 pounds at most), extend your arms up above your head in a stretching motion and then bend from your hips to the side as far as you can and then rotate toward the floor, and finish by twisting your body back up to center.

Bicycle Crunches