To execute a butterfly stretch, begin in a seated position on the floor. Bend your knees to the sides, holding the soles of your feet together with your hands. Remember to pull up through your back and hold your chin up.
By Treva Bedinghaus, About.com Guide
To execute a butterfly stretch, begin in a seated position on the floor. Bend your knees to the sides, holding the soles of your feet together with your hands. Remember to pull up through your back and hold your chin up.