Begin by lying on your back, placing your hands behind your ears. do not put your hands clasped behind your head. Lift your legs in the air and bend your knees so that your legs form a 90 degree angle.
Move your legs in a bicycle motion. when your knee is close to your body, raech your right elbow to it. When your right knee is close to yur body, reach your left elbow to it. Try performing the exercise for 60 seconds in 2 sets.