Peng, Lu, Ji, An video Added: Apr 2020 | Last update: Apr 2020 Peng, Lu, Ji, An. Ward Off, Roll Back, Press, Push. Four of the 13 original T’ai Chi postures. . These four movements are done slightly differently with each style/teacher but make up the foundation to using T’ai Chi on all levels. Tags: TaiChi taichiexercises taichimovement taichiclass