Hatha yoga reverser, or to make breath flow into the center channel which forces bindu up. However, in later hatha yoga, the Kaula visualization of Kuṇḍalini rising through a system of chakras is overlaid onto the earlier bindu-oriented system. The aim was to access amṛta (the nectar of immortality) situated in the head, which subsequently floods the body. This goal is in contradiction with the early hatha yoga goal of preserving bindu. The "Hatha yoga pradipika" text dedicates almost a third of its verses to meditation. Similarly, other major texts of Hatha yoga such as "Shiva samhita" and "Gheranda samhita" discuss meditation.
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