Hatha Yoga Pradipika formation of yoga. Jason Birch has investigated the evolution of the meaning of the Sanskrit word ""haṭha"." He specifically researched the key role of the "Hatha Yoga Pradīpikā" in popularizing a particular interpretation of this term. When written, the "Hatha Yoga Pradīpikā" drew from various classic texts on different systems of yoga, and Svātmārāma grouped what he had found under the generic term "haṭha yoga". Although haṭha yoga has evolved into a generic term that is currently understood as a branch of yoga involving physical poses (including sun salutations, vinyāsas, aṣṭāṅga, etc.), it originally had a more specific meaning. After
Ashtanga vinyasa yoga the teacher is to guide as well as provide adjustments or assists in postures. In other locations, twice per week Mysore-style classes are now substituted with led classes, where the teacher takes a group through the same series at the same time. The inclusion of two led classes per week was only included in P. Jois' senior years. Usually an Ashtanga practice begins with five repetitions of Surya Namaskara A and five repetitions of Surya Namaskara B, followed by a standing sequence. Following this the practitioner begins one of six series, followed by what is called the closing sequence. The