Yin Yang Style includes four postures. The characteristics of the Snake Form Palms: coiling and drilling power, mixing the hard and the soft. The movements are like a snake wandering and darting fangs. The Horse Form Palms of Tian's family Yin Yang Bagua Zhang consists of eight postures: Each posture has 3 Chengs and the total is 24 Chengs. The Horse Form Palms routine is divided into two parts and each part includes four postures. The characteristics of the horse form palms: the movements are bold and uninhibited, like a wild horse bucking and rushing. The Monkey Form Palms of Tian's family Yin
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"