What is use of yoga?

The true essence of yoga revolves around elevating the elan vital or ‘Kundalini’ at the bottom of the spine. It aims to realize this through a series of physical and mental exercises. At the physical level, the strategies comprise varied yoga postures or 'asanas' that aim to stay the body healthy. The mental techniques embody respiration exercises or ‘pranayama’ and meditation or ‘dhyana’ to discipline the mind.