During the Ashtanga primary series, continuous practice of slow and mindful chaturangs (lower plank) helps in building strengths for handstands, humpbacks, and jump-throughs. From this, we know that most of the advanced postures that we practice today are derived from the basic mindful practice of the primary series. #yogateacher #yoga #yogayangchen #yoga #ashtanga #ashtangaprimaryseries | Yoga Yangchen