Ashtanga vinyasa yoga postures from the intermediate and advanced series, described with reference to vinyasa. There is also evidence that the Ashtanga Yoga series incorporates exercises used by Indian wrestlers and British gymnasts. Recent academic research details documentary evidence that physical journals in the early 20th century were full of the postural shapes that were very similar to Krishnamacharya's asana system. In particular, the flowing surya namaskar, which later became the basis of Krishnamacharya's Mysore style, was not yet considered part of yogasana. Pattabhi Jois never made a distinction between his sequences of asana and the eight-limbed Ashtanga Yoga associated with Patanjali and
Ashtanga vinyasa yoga classes in similar style, offering posture variations, and teaching Ashtanga in a much less linear style, with a greater emphasis on alignment and breathing. Sharath's "new generation" of young students have adopted Sharath's new rules, and teach in a linear style without variations. According to the Sharath generation, variations are not allowed, and practice must be in a strict Mysore environment under the guidance of a Sharath-approved teacher. How-to videos & workshops, detailed alignment instructions, and strength-building exercises are not part of the method, neither for the practitioner or the teacher. These types of instruction are not approved by Sharath,