Chakra literally means 'wheel' or 'circle'. Physically, the location of the seven chakras is directly associated with the endocrinal glands in the body. This relationship is evident when observing the various benefits of the asanas. As we explore the science of chakras, we shall find in-depth explanations that are associated with the human body, mind and psyche. Ancient yogis used the subtle inter-relation of the body, mind and psyche as a tool to explore the bank of unlimited human abilities.