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 asana practice, but also stated that the breathing should be deep breathing with sound. He reiterated this notion in a conference in 2013 stating, "You do normal breath, inhalation and exhalation with sound. Ujjayi breath is a type of prāṇāyāma. This is just normal breath with free flow". In 2014 published on YouTube, Manju Jois dodged the question, "What is the difference between Ujjayi breathing and free breathing?" by saying that "the breathing in Ashtanga should be long and deep with the sound like the ocean". He also states that if you don't make sound, that is okay, too. However