Yoga exercise is a union of mind, spirit, and body . The history of yoga is lengthy as well as steeped in tradition. The history of Yoga can be separated right into four primary periods which are the pre-classical duration, classic period, post-classical period, as well as modern-day period. In the background of yoga exercise, guide is called the yoga exercise sutras. The history of yoga exercise would not have actually been finished in the timeless phase of yoga.