This is a stomach exercising asana. First lie on your back. You can opt for a towel or a mat to cushion your spine. Now bend both knees up to you chest until your thigh touches your stomach. Next, hug your knees in place and lock your fingers. Then lift up your head until your nose touches your knees. Take a deep breath and hold this position for thirty seconds. Now slowly release and lower yourself back to the starting position. You can also opt to do this exercise one leg at a time.