Yin Yang Style consists of eight postures: Each posture has 3 Chengs and the total is 24 Chengs. The bear form palms routine is divided into two parts and each part includes four postures. The characteristics of the Bear Form Palms: turning its waist and bending its back, having bold and vigorous power. It is like a black bear flexing back, rolling, and pouncing. The Snake 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 Snake Form Palms routine is divided into two parts and each part
Yin and yang light; female and male; moon and sun", however, is an exception. Scholars have proposed various explanations for why "yinyang" violates this pattern, including "linguistic convenience" (it is easier to say "yinyang" than "yangyin"), the idea that "proto-Chinese society was matriarchal", or perhaps, since "yinyang" first became prominent during the late Warring States period, this term was "purposely directed at challenging persistent cultural assumptions". Needham discusses Yin and Yang together with Five Elements as part of the School of Naturalists. He says that it would be proper to begin with Yin and Yang before Five Elements because the former: "lay, as