Yoga dates to at least the 2nd century BCE—and likely much earlier—as an orthodox school of Hindu philosophy, but it has become known outside of India as a means of physical and mental exercise. The popular form in the West is hatha yoga, which emphasizes specific postures combined with controlled breathing to bring about mental calm. Hatha yoga’s more than 1,000 positions are intended to make the spine supple and promote circulation throughout the body. What does yoga mean in Sanskrit? Discuss