This image was the inspiration for the basic first form of taiji daoyin: "double knee rotation." From a standing position, one rotates one's knees leftward and downward to a squat, and then rotates them rightward and upward to stand erect again. This exercise rotates the right, central and left acupoints of the knees.
」這個想像，後來成了他基礎功第一式「雙併旋轉」的發想：將雙膝併在一起，從直立、左旋蹲下再右上起立，讓膝蓋左中右所有穴道成螺旋狀一起轉動，慢慢增強膝蓋的韌性與彈性，突破了練武者的一大關卡。