Yoga is a family of ancient spiritual practices dating back more than 5000 years from India. It is one of the six schools of Hindu philosophy. In India, Yoga is seen as a means to both physiological and spiritual mastery. Outside India, Yoga has become primarily associated with the practice of asanas (postures) of Hatha Yoga (see Yoga as exercise).
Yoga as a means of spiritual attainment is central to Hinduism (including Vedanta), Buddhism and Jainism and has influenced other religious and spiritual practices throughout the world. Hindu texts establishing the basis for yoga include the Upanishads, the Bhagavad Gita, the Yoga Sutras of Patanjali, the Hatha Yoga Pradipika and many others.
The four main paths of Yoga are Karma Yoga, Jnana Yoga, Bhakti Yoga and Raja Yoga. A committed practitioner of yoga is referred to as a yogi, yogin (masculine), or yogini (feminine).