These photographs of the eighty-four āsanas taught by A. Sanchez as part of Yoga Cahllenge® IV. These postures are part of the 113 yoga poses of Bishnu Charan Ghosh who was trained at the Yogoda Satsanga Brahmacharya Vidyalaya in Bihar founded by Paramahansa Yogananda in 1917. Ghosh also worked with Swami Śivananda Saraswati. These 84 poses are based on the cirriculum taught at Ghosh's College. The list of 91 advanced asanas includes 4 mudrā, 5 bandhas, 4 kriyās and 2 prānāyāmas.
