How many styles in Hatha Yoga and how do they differ from each other?
There are so many organizations and styles of Hatha Yogas founded by modern Indian and western teachers. The differences are usually about emphasis, such as focusing on strict alignment of the body, coordination of the breath and movement, holding the postures, or the flow from one posture to another. All the styles share a common lineage back to Astanga Yoga. A brief list of some varieties of Hatha Yoga: Ananda Yoga, Anusara Yoga, Power Yoga, Bikram Yoga, Integral Yoga, Integral Science of Hatha and Tantric Arts (ISHTA), Iyengar Yoga, Jivamukti- style Yoga, Kali Ray Tri Yoga, Kripalu Yoga, Kundalini Yoga, Sivananda Yoga, Svaroopa Yoga, White lotus Yoga, Viniyoga.
