The infant exercises this action on his own, without any ones help and get his blood circulation regulated. Similarly Yoga practitioners by doing this exercise can regulate their blood circulation properly and get their hand and leg joints function smoothly.
"Balasan for the proper blood circulation in the entire body"
Lying on the back, stretch the legs straight. Place the hands at the side with palms touching the floor. Head and neck are also rested on the floor.
Raising the right leg to about one foot above the floor, take a deep breath. Bring it down breathing out. Knees should not bend.
Repeat the same action with the left leg.
Later, raise both the legs simultaneously breathing in and bring them down breathing out. It is one round. One has to practice three to four such rounds. During this asan legs are to be raised and lowered gradually and slowly. Keep the eyes closed throughout.