We love this exercises since it works your abs in both a shortened (during the crunch) and lengthened (in the reach) positions.
- Start lying on your back with your hips and knees bent to 90 degrees in a tabletop position. Lift your upper back and head off the mat, reaching your fingers toward your toes.
- Lengthen your legs away from your centre as you lower your upper body, reaching your arms overhead. Keep your low back pressing into the floor as you straighten your legs.
- Bend your legs back into tabletop position as you lift your upper body off the floor and reach your hands toward your toes.