Asana creating "a marriage of hatha yoga, wrestling exercises, and modern Western gymnastic movement, and unlike anything seen before in the yoga tradition." Krishnamachara is described as "the father of modern yoga", and had among his pupils men who became influential yoga teachers themselves: the Russian Eugenie V. Peterson, known as Indra Devi; Pattabhi Jois, who founded Ashtanga Vinyasa Yoga in 1948; B.K.S. Iyengar, his brother-in-law, who founded Iyengar Yoga; T.K.V. Desikachar, his son, who continued his Viniyoga tradition; Srivatsa Ramaswami; and A. G. Mohan, co-founder of Svastha Yoga & Ayurveda. Together they revived the popularity of yoga and brought it
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