• Korean Journal of Acupuncture
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• v.25 no.1
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• pp.39-50
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• 2008

Objectives : The purpose of this study was to inquire clinical meaning and characteristic of Eight extra meridians(奇經八脈) by researching building and progression of Eight extra meridians theory. Results : As a result of research of building and progression of Eight extra meridians(奇經八脈) theory, we can regard that the origin of Eight extra meridians was based on lower Danjeon(丹田) which was the root of Primordial energy and the origin of the Twelve meridians and collaterals(十二經脈) was based on Middle energizer which was the root of Acquired energy. On this, we could know that Eight extra meridians and the Twelve meridians and collaterals are based on Primordial energy and Acquired energy and function of Eight extra meridians and the Twelve meridians and collaterals are complement each other. So, we can say that considering the Twelve meridians and collaterals means that is valued on Acquired energy clinically, and considering Eight extra meridians means that is valued on Primordial energy in health preserving method (養生).

• Journal of Acupuncture Research
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• v.23 no.4
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• pp.91-100
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• 2006

Objectives : The Comparative Study Of The Eight Extra Meridians And The Primitive Meridians Will Improve The Understanding Of The Relationship Between Meridians And The Eight Extra Meridians, Which Ultimately Will illuminate The Origins Of Meridians. Methods Books From The Pre-Han And Han Dynasty, As Well As Publications Concerning Meridians And The Eight Extra Meridians Were Utilized. Results : Pathways Of The Eight Extra Meridians And The Primitive Meridians Travel Independently Without Connection With Other Meridians, And Have No Obvious Link With The Five Vital Organs And The Six Viscera. Additionally, The Terminology Of Both Meridians Is Similar, And Travel From Bottom To Top. Conclusion : The Eight Extra Meridians Have Several Similarities With The Primitive Meridians. Therefore, The Eight Extra Meridians May Be An Important Area To Investigate In The Future.

• Journal of Korean Medical classics
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• v.27 no.2
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• pp.49-67
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• 2014

Subject : The Association between Extraordinary Organs(奇恒之腑) and Eight Extra Meridians(奇經 八脈). Objectives : This study research some special aspects of Extraordinary Organs and Eight Extra Meridians which differentiated from ordinary Organs and Meridians, and the association between Extraordinary Organs and Eight Extra Meridians. Methods : First, researched classification standard and physiological characteristics of Extraordinary Organs through studying various chapters of HuangdiNeijing. Second, researched The Association between Extraordinary Organs and Eight Extra Meridians through studying on the origin of Eight Extra Meridians in HuangdiNeijing. Third, from accompanying researching the subject of Cheon-gye(天癸) and human body shape, draw synthetic hypothesis on the relationship among ordinary Meridians and Organs, muscles and skins of body shape, Extraordinary Organs and Eight Extra Meridians. Results & Conclusions : The following conclusions could be drawn. 1. Extraordinary Organs afford background for shaping human body. This is same as the properties of the earth which afford background for shaping all creations. The physiological characteristics of Extraordinary Organs is intermediation and regulation between Ki(氣) of Five Viscera & six Bowels and shape of muscles & skins in human body. 2. The origin of Eight Extra Meridians could be found in HuangdiNeijing. The collateral Meridians of the Uterus and Epiglottis Meridian are specifically formulated to supplying for the Uterus or Epiglottis. From this we can draw The Association between Extraordinary Organs and Eight Extra Meridians, that is Eight Extra Meridians are specifically formulated to supplying for Extraordinary Organs. 3. The Cheon-gye(天癸) is doing significant function in Eight Extra Meridians supplying for Extraordinary Organs. Cheon-gye concerned to growth, secondary sexual characters, generative function, aging process. Theses are all concerned with the changing of human body shape. Cheon-gye urge to change the body shape with following the human life cycle. 4. Human body has vertical symmetry because preserve its shape from the gravitational force. Eight Extra Meridians place at the middle or flank axis of human body, thus do physiological function that assistant human body have vertical symmetry shape. The purpose of shaping vertical symmetry is securing space what the inner Twelve Regular Meridians and Five Viscera & six Bowels create there own physical changes. On the other hand the inner changes need deviation between left and right because of mobility and circulation of force. But human body change the shape in the process of growth, reproduction, aging. Eight Extra Meridians play role at time of these processing, thus they deeply concerned to human's life cycle and reproduction. 5. Eight Extra Meridians and Extraordinary Organs were named 'Extra' because of some special aspects which differentiated from ordinary Meridians and Organs. All they play role to have vertical symmetry shape of human body and maintain the shape, thus they deeply concerned to the change of human life cycle. These shaping maintaining and the change of human life cycle are very special aspects of human body. So they needed to differently cognize separate to the ordinary changes of Five Viscera & six Bowels and Twelve Meridians at inner space.

• Journal of Korean Medical classics
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• v.26 no.4
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• pp.71-87
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• 2013

Subject : The physiological characteristic of Eight Extra Meridians. Objective : This study research physiological characteristic of Eight Extra Meridians that differentiate from the physiological characteristic of Twelve Regular Meridians. Method : First, we researched the meaning of "There are Eight Extra Meridians and they don't be arrested by Twelve Regular Meridians" in Nanjing 27Nan compared with the contents of regular Meridians circulation in Huangdineijing. Second, we studied on the origin of Eight Extra Meridians and researched their route. Third, from these researches we drew some physiological characteristics of Eight Extra Meridians. Conclusion : In Huangdineijing, the regular Meridians circulation include the route of Governor Meridian, Conception Meridian, and Heel Meridian. So the sentence in Nanjing 27Nan is contradictory to the contents of Huangdineijing. The origin of Eight Extra Meridians could be found in Huangdineijing. The collateral Meridians of the Uterus and Epiglottis Meridian are specifically formulated to supplying for the Uterus or Epiglottis. Eight Extra Meridians have third qualities of Meridian, collateral Meridian, and the solid viscera keep the Essence Gi, so named 'Extra'. And they have an intimate association with Extraordinary Organs. They place at the middle axis of human body, thus do higher physiological function that control and regulate the function of Twelve Regular Meridians and Five Viscera & six Bowels for adaptation to the environment.

• Korean Journal of Acupuncture
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• v.32 no.2
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• pp.41-50
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• 2015

Objectives : In this study we investigated characteristics of eight extra meridians based on the chapter of Pyoung Gi Kyoung Pal Maek Byoung(PGKPMB) of the Pulse Classic(Maijing; PC) and the 27, 28, and $29^{th}$ question of the Classic of Difficult Issues(Nanjing; CDI). Methods : We searched out the contents of eight extra meridians in historical background, the principal and circulation of eight extra meridians, and the symptoms and pulse diagnosis of eight extra meridians on the PGKPMB of the PC and the 27, 28, and $29^{th}$ question of the CDI. Results and Conclusions : About development of eight extra meridians, content which was scattered in the CDI was supplemented and developed in the CDI. Also taking over the content in the CDI, the meaning of the eight extra meridians was expanded and supplemented in the PC. In the PC, the mechanism about symptom of eight extra meridians especially has been described. Also materialization of symptom which linked to pathogenic pulse of eight extra meridians had a great impact on future generation.

• Journal of Korean Medical classics
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• v.26 no.3
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• pp.85-98
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• 2013

Subject : The application of eight extra Meridians theory to birth physiology of Korean Medicine. Objective : This study suggests physiological theories in child birth in Korean Medicine. Method : First, the application of eight extra Meridians and extraordinary organs theories to physiology, pathology, pregnancy, postnatal period of women were examined based on major publications and theories of some historical characters. This work provided clues for application of eight extra Meridians theory to birth physiology. Second, the progressing birth physiology of modern medicine based on the importance of the brain function was examined, with which the application of eight extra Meridians and extraordinary organs theories to the birth process showed close relationship. Conclusion : The following conclusions could be drawn. In traditional publications of Korean Medicine, the contents explaining birth physiology with eight extra Meridians theory were scarce, mainly due to the doctor's perception of birth as part of the natural female physiology along with menstruation and pregnancy. However, the contents explaining menstruation, pregnancy, postnatal physiology and pathology through eight extra Meridians theory could be found in classical texts such as Neijing, Jebyeong-wonhuron, Imjeunginameuian. Therefore, it is reasonable to apply the eight extra Meridians theory to the birth process as well. Modern medicine's understanding that pituitary and hypothalamus hormones are in play on womb in the birth process, such as Oxytocin, is in continuous progress. Moreover, the environmental condition that has been traditionally known ideal to the birth process in both the East and West-dark, warm, quiet and secluded-is being confirmed in modern research. The application of eight extra Meridians theory to birth physiology can help to explain these modern information, and thus make them more acceptable.

• Journal of TMJ Balancing Medicine
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• v.2 no.1
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• pp.1-7
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• 2012

Objectives: The purpose of this review is to investigate the relationship between the extra meridians and the temporomandibular joint. Methods: Literature review on the eight extra meridians and theoretical considerations were performed with a focus on the relationship with the temporomandibular joint. Results: Extra meridians are crucial in the maintenance of the balance of the whole body, especially the structural balance of the anterior-posterior, left-right, superior-inferior, and interior-exterior regions. The foundation of extra meridians occurs in the lower abdominal area and the innate qi. Conclusions: Extra meridians are important players in the maintenance of the balance and harmony within the body, and may function cooperatively with the temporomandibula joint in its role to maintain the yinyang balance within the body.

• Journal of TMJ Balancing Medicine
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• v.1 no.1
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• pp.1-8
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• 2011

Objectives: TMJ is the joint that connects the mandible to the skull, and it balances the body by holding the skull in the right position. The Meridian flows through the whole body. The objective of this study is to examine and clarify the relationship between the Temporomandibular Joint (TMJ) and the Meridian flow, especially around the TMJ. Methods: We reviewed the literature on the 8 Extra Meridians and the 12 Main Meridians around the TMJ. Results & Conclusion: Eight Extra Meridians keep the balance and harmony of the TMJ, and also play an important role in maintaining equilibrium of Yin and Yang of the whole body. The 12 Main Meridians, twelve Meridian Divergence (12經別) and Meridian Sinew also play an important role in the balance and harmony of the whole body based on the function of the Vicera and Bowels (臟腑). So it is conceivable that the role of TMJ is important in terms of health care.

• Journal of Korean Medical classics
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• v.32 no.1
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• pp.145-158
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• 2019

Objectives : This study attempts to identify the concept of Link meridian in previous medical books, and explore how Link meridian theory was used in a clinical practice focusing on YeTianshi. Methods : This study looked at the medical books related to acupuncture and moxibustion in the past and the part where Link meridian is mentioned in the annotations of "Huangdineijing" and "Nanjing", and examined how medical doctors prior to YeTianshi used Link meridian in a clinical practice. And then this study examined treatment cases in the medical records of YeTianshi. Results ＆ conclusions : Yang-Link meridian and Eum-Link meridian were arranged as ascending route by the majority of medical doctors. However, there are doubts because startpoints of them are not "Jeyanghoe" and "Jeeumgyo" respectively described in "Nanjing". Link meridian is thought to be a structure that connects each meridian passing through crossing points with each crossing point itself as a starting point. Thus, Link meridian can be seen as a role in strengthening the connection of crossing meridians and balancing and controlling those meridians centering on each crossing point. The point that YeTianshi's identifying that pathology of Eight extra meridians associates with liver and kidney(肝腎) to be a symptom of weakness, and his development of Link meridian's physiology and pathology through the relationship with other Eight extra meridians are thought to be more advanced than the previous medicine prior to YeTianshi.

• Journal of Haehwa Medicine
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• v.7 no.2
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• pp.601-607
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• 1999

The human body consists of the twelve main meridians and the eight extra meridians including Dogmaek-Gyeong and Immaek-Gyeong. This study is on twenty-eight acupuncture points Dogmaek-Gyeong and twenty-four acupuncture points Immaek-Gyeong among the eight extra meridians. It is very important to know the accurate acupuncture points, which is the fundamental subject in the Oriental Medicine. From now on they have expressed in Chinese letters and old anatomical terms, acupuncture points are difficult and confused to learn. In order to understand acupuncture points easily, they are translated into Korean anatomical terms focused on osteology in this study. Dogmaek-Gyeong is the meridian of this vessel run along the posterior meridian line of the body. The boundary commences at the coccyx, mounts the length of the vertebral column, contours the skull of the vertex along the philtrum to terminate upon the upper gum. It has twenty-eight acupuncture points. Immaek-Gyeong is the meridian of this vessel run along the anterior meridian line of the body. The boundary commences at the perineum mounts the pubic symphysis along the umbilicus, mandible and the terminates at concave of the lower lip. It has twenty-four acupuncture points.