A Synopsis on Taijiquan (Part 2 of 3) By Mak Tinghei The principle of Taijiquan is based on Wang Tsungyueh's Taijiquan Treatise using the idea of Taiji in Yi Ching , and the requirements for boxing. It stresses the application of the interaction of two opposites, Yin and Yang, to the strategy of fighting so as to achieve the utmost advantage over your opponent. However, this treatise provides a concise description without details to methodology. Still, the Taiji idea can be applied to find the details of the basic requirements of Wushu. When two opponents are in a fight, one must have a fighting strategy and tactics to achieve victory. Strategies means external and internal maneuvers while tactics mean actions and postures. Continuing this method of analysis, a set of requirements is obtained for the motion of hand and feet, as well as the body postures and state of mind. Any routine that satisfies these requirements is called Taijiquan. This set of requirements were grouped together by the Taijiquan masters, and is called the 13-Postures. Of these, six are the names of curvelinear motions, and the rest of 7 postures are named as Lean, Elbow, Move Forward and Aft, Observed, Aware, and Calm. Based on these 13-Postures, various stances of Taijiquan are formed. The important writings of the Yang style came from Wu's-wushu. The earliest mention of Taijiquan by the Chen family is in [Chen Xin (1849-1929)]'s book (1933). There are no authenticated document and oral evidence to show that the name Taijiquan was first used by the Chen villagers, and no evidence to show who was the first to use the name Taijiquan for Chen-wushu. There are other suggestions to the originator To demonstrate that Taiji requirements are effective in fighting. Newtonian mechanics are used. The conservation of angular momentum is used to show that the curvelinear motion of Taijiquan can conserve energy so as to outlast your opponent, store up energy for making the strongest blow, dispel incoming blow without being hit hard, and etc. The strike of Taijiquan against an opponent is of contact strike/pull, not impulsive nature. The advantage of a Taiji strike over an impulsive inelastic strike can be understood by applying the conservation laws of momentum and energy and Newton's equation of motion. When fighting, one usually doesn't stand straight up but lower the upper body somewhat. How low should one's body be? The static principle of lever is used to find the optimum body height to deliver the strongest blow to the opponent. This optimum height is approximately achieved when both hands can touch the knee cap while keeping the body vertical. Next, the motion of Taijiquan is continuous and curvelinear, not reciprocating. It implies a swifter action and has two degree of motion than the reciprocating one. Two degree motion is also harder to predict than one degree motion. If one starts to move along a straight line, the intended target along that line is known before the strike's arrival. This known strike target enables your opponent to prepare for the strike a priori. The direction of curvelinear motion is changing during its course, making its potential target harder to predict, and often catching your opponent unprepared when the strike does reach its target. One may wonder why only Taijiquan is practiced slowly compared to other Wushu? There are two reasons for this. First, practicing slowly enable one to sense the motion of one's body parts and, therefore, enable one to use his mind and thinking to direct his action instead of relying on the rash and subconscious judgement. Second, practicing slowly trains one to control his temper and emotion so that one would not act recklessly during a fight. Normally, we use our chest for breathing. Taijiquan requires that breathing be performed by the abdomen, because in fighting, the chest muscle is used for striking. If it is used for breathing, its efficiency for strike is reduced. As a result, both breathing and striking are hampered. On the other hand, the abdominal muscle is not used for any striking action, but can help breathing if needed. Taijiquan trains one to a custom to abdominal breathing. Popular traditional Taijiquan routines have one hundred and eight or eighty eight stances. Most of these stances are repetitive or similar. If they are discounted, Taijiquan actually has only thirty some independent stances. Confusion arises when these stances of traditional Taijiquan have literally names that are not fully explained in terms of the meaning of the name and its associated motion. The names of some stances have no direct or obscure relation with the motion. In order for the stance to have the correct movement, the meaning of the name and the movement must be consistent with each other. period of time. About author: [Mak Tinhei] has a Ph. D. In Electronic Engineering from Johns Hopkins University in Baltimore, MD. He is now working in the U.S. Army Research Laboratory, MD. One of the activities he does in his spare time is practicing Taijiquan. Not satisfied with the traditional way of explaining and learning Taijiquan, he did his own research on the subject. Using the results of his research, he published a book. He welcomes to discuss Taijiquan with anyone and can be reached on Email thmak@yahoo.com.