1.First lie down on the floor and raise your foot up with your thighs perpendicular to the floor and your calves parallel to the floor forming 90 degrees angle, And place your hands behind your head; this is your starting position.
2.Now curl up and bring your right elbow and shoulder across your body while bring your left knee in toward your left shoulder at the same time. Reach with your elbows and try to touch your knee, while pushing your right leg in a straight form.
3. Now go back down to the starting position and repeat with the left elbow and the right knee.
Tips and Advices:
1.Don’t lock your fingers behind your head while doing the movement.
2.Your shoulders should come up off the floor only about four inches, and your lower back should remain on the floor.
3.Focus on slow, controlled movement