I was lucky enough to spend last week in a 40-hour intensive teacher training course with David Swenson. The course was designed to train us to teach Ashtanga Primary Series, with a special focus on learning the adjustments for the asanas in the sequence. I don't teach primary series, but I teach many of the poses from primary series, so learning these adjustments seemed like a perfect match. David Swenson's reputation precedes him. He is one of the most experienced teachers