Tai chi is often compared to yoga. And like yoga, tai chi has myriad forms. The most commonly practiced form is known as Yang style tai chi, but other popular forms include the Chen, Wu, Hao and Sun styles, according to the International Yang Family Tai Chi Chuan Association. Each style is slightly different, but all emphasize slow, deliberate and carefully orchestrated movements, with one movement flowing into the next — almost like a choreographed dance