Chinese taijiquan or t'ai-chi-ch'üan
Ancient Chinese form of exercise or of attack and defense.
As exercise, it is designed to provide relaxation in the process of body conditioning, which it accomplishes partly by harmonizing the principles of yin-yang . It employs flowing, deliberate movements with carefully prescribed stances and positions. As a mode of attack and defense, it resembles kung fu and is properly considered a martial art . Dating to the 3rd century AD, Tai Chi Chuan consists of two major schools, the Wu and the Yang. Depending on the school, the number of exercises varies from 24 to more than 100.