Step 2:
After you complete your first exercise, lie down straight with your chest facing the ceiling. Now take a deep breath and pull up your knees to make a right angle.
Slowly release your breath and try lifting your hands in order to touch your knees, do this while keeping your back touched on floor. Relax, and straighten your legs; do this 5 times in first week, 10 times in 2nd week... and so on.