The yogis are persons who practise yoga. Yoga refers to traditional physical and mental disciplines that originated in India. Major branches of yoga include Rāja Yoga, Karma Yoga, Jnana Yoga, Bhakti Yoga and Hatha Yoga. The Sanskrit word yoga has many meanings, and is derived from the Sanskrit root “yuj”, meaning “to control”, “to yoke” or “to unite”. Translations include “joining”, “uniting”, “union”, “conjunction”, and “means”. The goals of yoga are varied and range from improving health to achieving Moksha.