Yoga philosophy is one of the six major orthodox schools of
Hinduism. Ancient, medieval and most modern literature often refers to Yoga school of Hinduism simply as
Yoga. It is closely related to the
Samkhya school of Hinduism. Yoga school's systematic studies to better oneself physically, mentally and spiritually has influenced all other schools of Indian philosophies. The
Yoga Sutras of Patanjali is a key text of the Yoga school of Hinduism.