Spring Ab Crunch Challenge - Week 5

This weeks Ab exercise is the "Dead Bug."

Lie with back on a mat, hands by your sides, knees bent at a 90-degree angle, and feet off the floor. Tighten abs, and slowly lower left leg toward floor, straightening leg, as shown. Stop when you feel lower back coming off the floor. Return to starting position, then switch legs. Complete 15 on each side.