Ashtanga vinyasa yoga one of the three key principles in Ashtanga Vinyasa Yoga, alongside breath and drishti. There are three principal bandhas which are considered internal body locks: Both Pattabhi Jois and Sharath Jois recommend practicing Mula and Uddiyana bandha even when not practicing asana. Pattabhi Jois has this to say: (translated quote) "You completely exhale, apply mulabandha and after inhaling you apply uddiyana bandha. Both bandhas are very important... After bandha practice, take (your attention) to the location where they are applied and maintain that attention at all times, while walking, talking, sleeping and when walk is finished. Always you control mulabandha".
Ashtanga vinyasa yoga more breaths in difficult postures. Various influential figures have discussed the specific process of breath in ashtanga. Pattabhi Jois recommends breathing fully and deeply with the mouth closed, although does not specifically refer to Ujjayi breathing. However, Manju Jois does and refers to breathing called "‘dirgha rechaka puraka’, meaning long, deep, slow exhalations and inhalations. It should be dirgha... long, and like music. The sound is very important. You have to do the Ujjayi pranayama". In late 2011, Sharath Jois, the grandson of Pattabhi Jois, declared his feelings on the issue, stating that Ujjayi breathing was not done in the