Yoga is one of the oldest systems of cognition, meditation, health improvement - there are many ways to use it, for some it is a way of spiritual knowledge and insight, for others - gymnastics and a health panacea. Swami Sivananda is a famous master of yoga, a doctor, the author of many manuals on health improvement with the help of yoga techniques, he shared his knowledge and best practices free of charge, he shares now - from the pages of this book.