Hatha Yoga Pradipika In the twenty-first century, research on the history of yoga has led to a more developed understanding of hatha yoga. In analyzing the "Hatha Yoga Pradīpikā", as well as other works by Svātmārāma, researchers better understand the origins of hatha yoga. James Mallinson has thoroughly studied the origins of hatha yoga and has worked with classic yoga texts such as the "Khecarīvidyā". He has identified a collection of eight works that introduce early hatha yoga and contribute directly to its official formation in the "Hatha Yoga Pradipika". Many of his conclusions from these early works revise earlier understandings about the
Ashtanga vinyasa yoga the practice have been made since its conception. Nancy Gilgoff, an early student, describes many differences in the way she was taught ashtanga to the way it is taught now. According to her experiences, some of the differences include: Pattabhi Jois originally left out seven postures in the standing sequence, but later assigned Utthita Hasta Padangusthasana and Ardha Baddha Padmottanasana before the Intermediate Series was given; Utkatasana, Virabhadrasana A and B, Parivritta Trikonasana, and Parivritta Parsvakonasana were not in the series at this point; and Jois did not give her vinyasa between sides of the body poses or between variations