Yin Yang Style and ninety-two Chengs. Each Gua is clearly distinctive. The style of Tian family's Yin Yang Bagua Zhang is integrated with the soft and the hard, powerful and majestic—transmitting China's exquisite traditional culture. Tian family's Yin Yang Bagua Zhang took the meaning of Yin Yang and the Eight Trigrams and applied it to the theories and principles of the palms. The actions of the Yin Yang Bagua Zhang eight forms routine involve the practitioners adjusting the upper, middle and lower sections of their body. The Eight Trigrams are eight different symbols: Qian (乾), Kan (坎), Gen (艮), Zhen (震), Xun (巽),
Yin and yang contracting) are thought of as physical manifestations of the duality symbolized by yin and yang. This duality lies at the origins of many branches of classical Chinese science and philosophy, as well as being a primary guideline of traditional Chinese medicine, and a central principle of different forms of Chinese martial arts and exercise, such as baguazhang, taijiquan (t'ai chi), and qigong (Chi Kung), as well as appearing in the pages of the "I Ching". The notion of a duality can be found in many areas, such as Communities of Practice, but in this context yin and yang are better