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 "to shelter; shade", and 陽 or 阳 "sunny" is always pronounced with rising second tone "yáng". Sinologists and historical linguists have reconstructed Middle Chinese pronunciations from data in the (7th century CE) "Qieyun" rhyme dictionary and later rhyme tables, which was subsequently used to reconstruct Old Chinese phonology from rhymes in the (11th-7th centuries BCE) "Shijing" and phonological components of Chinese characters. Reconstructions of Old Chinese have illuminated the etymology of modern Chinese words. Compare these Middle Chinese and Old Chinese (with asterisk) reconstructions of "yīn" 陰 and "yáng" 陽: Schuessler gives probable Sino-Tibetan etymologies for both Chinese words. "Yin"