5 Moves to a Sexier Stomach

Photo by Chris Fanning

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1. Crunch with Alternate Leg Extensions

Targets: Abs
Lie on your back, with knees bent and feet on the floor hip-width apart. Interlace fingers behind head. Simultaneously lift head, neck, and shoulders and extend left leg so that it's 1 to 2 feet off the floor. Hold for 5 seconds. Bend knee back in as you lower upper body to start. Repeat on right side. Do 20 crunches, alternating sides.