This week's How to Yoga is about Ashtanga Yoga. Ashtanga is considered one of the more dynamic and harder styles of yoga. Many of the asanas are quite acrobatic and the order is strictly defined in so-called exercise series. Both together may seem a bit intimidating to some people. Sports medicine doctor Dr. explains why it is definitely worth giving Ashtanga a chance. Ronald Steiner. He explains how he came to yoga and why he combines traditional Ashtanga yoga with yoga therapy. He also reveals his personal essence of yoga and what role mantras play in it.