Hatha yoga of self purification), 15 asana (postures: seated, laying down, and non-seated), pranayama (breathing) and kumbhaka (breath retention), mudras (internalized energetic practices), meditation, chakras (centers of energy), kundalini, nadanusandhana (concentration on inner sound), and other topics. "Hatha Yoga Pradipika" is the best known and most widely used Hatha yoga text. It consists of 389 "shlokas" (verses) in four chapters: Post-Hathapradipika texts on Hatha yoga include: Historically, Hatha yoga has been a broad movement across the Indian traditions, openly available to anyone. According to Mallinson, the Hatha yoga represented a trend towards the democratization of yoga insights and religion similar to the
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