Elevate your heart rate and work your abs again with the toe crunch.
- Lie on your back and reach your arms behind you, pointing your legs toward the ceiling (see inset).
- Swing your arms toward the ceiling; as you do, lift your head and shoulder off the ground and touch your toes, while lifting your pelvis slightly off the ground so your toes move toward your fingers. If your neck tires, place one hand behind your head.
- Do two sets of 10.