How to work on abs and core with the moth cocoon exercise

Take a look at this instructional video and learn how to work on your abs and core with the moth cocoon exercise. To perform this exercise, lie on your back with your legs extended on the ground and arms down at your sides, palms up. Then crunch up and raise your head and shoulders off the ground. Lift your arms and legs, spreading them out like a moth, and hold. Go from this position to a cocoon. Draw your knees to your chest and reach your hands down under your thighs, touching your fingertips together but without grabbing your legs. If you find that this irritates your hips, you can leave your legs on the ground during moth or don't flare them apart during it.