Hatha yoga and Swami Satchidananda of Integral Yoga. After about 1975, yoga techniques have become increasingly popular globally, in both developed and developing countries. The Bihar School of Yoga has been one of the largest Hatha yoga teacher training centers in India but is little known in Europe and the Americas. In the West, Krishnamacharya-linked schools have been more widely known. Examples of other branded forms of yoga, with some controversies, that make use of Hatha yoga include Anusara Yoga, Ashtanga Yoga, Bikram Yoga, Integral Yoga, Iyengar Yoga, Jivanmukti Yoga, Kundalini Yoga, Kripalu Yoga, Kriya Yoga, Viniyoga, Vinyasa Yoga and White Lotus
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