Here is a very interesting article about Mulha Bandhas by David Keil (originally published on his website Yoganatomy.com ) that was recommended to me by @AshtangaLife on Twitter. Mulha Bandha Anatomically Speaking by David Keil © 2010 The bandhas are perhaps the most difficult aspect to grasp in the practice of Ashtanga Vinyasa Yoga. For me personally, I think I know what they are. But then I look back at my little life as an Ashtangi, amazingly at 11 years now, and realize, I thought I knew what they were 10 years ago. Then just 5 years ago I understand them even more differently than I do today. My experience of them has changed over the years and will continue to as I'm guessing your experience of them will. As an anatomy teacher I do try to bridge the gap between the subtle esoteric aspects of the energetic system and the practice of yoga and put it into western terms of anatomy. In the area of bandhas, I am careful to not too strongly make it into a physical anatomical