Hatha yoga aim of spiritual liberation, self-knowledge or release from rebirth that the Indian traditions call "mukti" or "moksha". The goals of Hatha yoga, in its earliest texts, were linked to "mumukshu" (seeker of liberation, moksha). The later texts added and experimented with the goals of "bubhukshu" (seeker of enjoyment, bhoga). Hatha yoga is a branch of yoga. It shares numerous ideas and doctrines with other forms of yoga, such as the more ancient Yoga system taught by Patanjali. The differences are in the addition of some aspects, and different emphasis on other aspects. For example, "pranayama" is crucial in all yogas,
Ashtanga vinyasa yoga and never taught by Sharath. However most of his teachers who claim to have been taught by him will teach the above methods, exercises, & postures, even though none of what they teach is part of the Ashtanga method of instruction under Sharath. Pattabhi Jois also did not require students to independently drop back and come up from back bending before progressing to the 2nd series. Sharath changed the requirements, and has now made this mandatory. However, it is important to note that Pattabhi Jois was the founder of the system, and taught each of his original students differently, instructing