Anyone who knows me knows I teach alignment -- a lot of it. Actually, "a lot" doesn't begin to cover it. I am anatomically focused and driven to try to understand how the body functions mechanically (as evidenced by my Alignment Cues Decoded series on YogaJournal.com).
Patanjali never said anything about anatomy or alignment, though. So why bother? I actually have two very specific reasons for teaching alignment and anatomy; one is practical and one is embedded within the philosophy of the Yoga Sutra.