Health Theory and Efficacy of Taiji Quan
关于太极拳对健康的影响，北京医学院早在20世纪60年代就发表了《从医学看太极拳》的文章，文章分别从练太极拳的老人组、不练太极拳的老人组及敬老院的老人组，进行了系统的医学检查和对照比较。结果证明，在体格发育，心脏血管系统、呼吸系统、骨骼系统的结构形态与机能情况等各方面，练太极拳的一组指标好，老年性变化的程度也低。
For the influences of Taiji Quan to the health，Beijing Medical University published the article of“Through Taiji Quan from a Medical View”in 1960s.They conducted systematic medical examination and comparison on three groups of aged people：one group practiced Taiji Quan，one group did not practice Taiji Quan and the other group was from the geranium.The results demonstrated that the group practicing Taiji Quan were better in indicators and had lower degrees of senile changes on aspects of structural forms and functional situation of physic growth，heart and vein system，respiratory system and skeleton system.
（一）太极拳的动作姿势有利于气血运行 The movements and postures of Taiji Quan are good for qi-blood circulation
太极拳的动作姿势要求身体的各个部位须保持一定的弧形或圆，便于身体各部位肌肉放松，这种身体姿势有利于经络与气血舒畅地运行，不易造成运动性的局部受挤压而产生组织器官缺氧，因此，太极拳是健身运动中最为理想的有氧代谢健身内容之一。
Movements and postures of Taiji Quan require all parts of the body to keep in a certain curve or circle，so as to relax muscles of all parts of the body.The body postures help circulation of meridians and collaterals and qi-blood，which is difficult to cause the exercise local compaction and generate the lack of oxygen of tissues and organs.Therefore,it is one of the most ideal contents of aerobic metabolism fitness.