• Korean Journal of Acupuncture
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• v.25 no.3
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• pp.1-14
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• 2008

Objectives : Weights and measures (度量衡) in Korean traditional medicine have been changed in many dynasties and countries. Thus, measurements of chon (寸) and cheok (尺) have been considered as symbolical meaning in recent studies on meridians and acupoints. The present study was made to settle up standard measurement by surveying length of each parts of upper limb as follows. Methods : To calculate length of 1 chon (寸), the length of each part was divided into the numbers of chon (寸) as shwon in ${\ll}$Goldo Hwangjenaegyeong-yeongchu (靈樞 骨度篇)${\gg}$; the chon (寸) length in ${\ll}$Goldo Hwangjenaegyeong-yeongchu (靈樞 骨度篇)${\gg}$ was compared with the chon (寸) length which is calculated by dividing human average hight into 75 chon. Results : Increment of length of 1 chon (寸) did not change as increment of height in subjects. Length of 1 chon (寸) in height is representative of length of 1 chon (寸) in each parts of upper limb. Conclusions : We suggest that most suitable length of 1 chon (寸)for the standard measurement of acupoint location is 2.20 ${\pm}$ 0.17 cm based on length of elbow joint to wrist joint.

• Journal of Acupuncture Research
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• v.21 no.1
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• pp.1-20
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• 2004

Pulse-feeling took its origin from making a diagnosis along meridians in the course of discovering and forming meridians and for a long time its meaning was mixed with meridians in the course of recognizing "The Pulse" then was separated from meridians in the early days of Western Han Dynasty. Ancient pulse-feeling methods are pulse-feeling method by the twelve regular meridians, pulse-feeling method by three regions and nine modes, pulse-feeling method by Inyeong(人迎) and Chon-gu(寸口), etc. Pulse-feeling was changed in proportion to diagnostic purpose and method of treating and if method and region of pulse-feeling is arranged, we will infer correlation between meridians and pulse-feeling and will infer transitional system of past pulse-feeling and will forecast transition of future pulse-feeling. As the result that I study the transition of the above three pulse-feeling methods of meridians diagnosis: 1. Three pulse-feeling methods of meridians diagnosis flowed into diagnostic method by taking pulse of setting six region for Chon(寸), Gwan(關) and Cheok(尺), i.e. the Chon[寸] spot pulse of $\ll$Nan-gyeong$\gg$ and were changed into diagnostic method being fit for use of five Su points, The Front-Mo points and Back-Su points that grasp the pathology of mutual internal organs and treat the disease. 2. Today it is suggesting the transition of another pulse-feeling method that do not apply diagnostic method by taking pulse of setting six region for Chon(寸), Gwan(關) and Cheok(尺), i.e. the Chon[寸] spot pulse of $\ll$Nan-gyeong$\gg$ to 19C Sasang(四象) Constitutional Medicine or 20C Eight Constitutional Medicine.

• Journal of Korean Medical classics
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• v.22 no.1
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• pp.27-34
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• 2009

In "Maekyojeongmiron(脈要精微論)", Jangbu(臟腑) is assigned to Chon.Gwan.Cheok(寸關尺) in according to the position. Kidney[腎] is assigned to the backward area of Cheok. Abdominal cavity[腹中] is assigned to the middle area of Cheok. Hypochondrium[季脇] is assigned to the forward area of Cheok. Liver[肝] is assigned to the backward area of left Gwan. Diaphragm[鬲] is assigned to the forward area of left Gwan. Stomach[胃] is assigned to the backward area of right Gwan. Spleen[脾] is assigned to the forward area of right Gwan. Heart[心] is assigned to the backward area of left Chon. Central part of the chest[膻中] is assigned to the forward area of left Chon. Lung[肺] is assigned to the backward area of right Chon. Thoracic cavity[胸中] is assigned to the forward area of right Chon. This method of assignment is simple and useful in clinic.

• Korean Journal of Acupuncture
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• v.26 no.2
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• pp.1-13
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• 2009

Objective: Optical Coherence Tomography (OCT) has emerged as an important optical imaging modality in non-invasive medical diagnostics. Hence, the aim of this study is to measure the similarity of the diagnosis by a traditional method using doctor's hand for feeling of pulse and by the non-contact/non-invasive pulse analyzing system using OCT on Chon(寸), Kwan(關), Chuk(尺). Method: Four korean medical doctors and the non-contact/non-invasive pulse analyzing system using OCT have measured the rapidity, the dimension, and the power of pulse waves of 25 volunteers. First, four korean medical doctors measured pulse waves of volunteers. During measuring, four doctors were separated from each other and so were volunteers. And then, the pulse waves of volunteers were measured by OCT. This was performed on the right Chon(寸), Kwan(關), Chuk(尺). Results: The study showed that the traditional method and the OCT based method had the 88% matches on the values of the slow and rapid pulse condition (遲數), 64% matches on the values of the small and big pulse condition(微細弱緩大[洪]), and 72% matches on the values of the weak and strong pulse condition(虛實). Conclusions: Based on the high similarities of the measurements of two approaches, we suggest that the OCT based pulse diagnosis method is useful for compensating the traditional method for the pulse diagnosis.

• Korean Journal of Acupuncture
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• v.28 no.1
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• pp.157-169
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• 2011

Objective : Nine classical needles have been recorded in oriental medical classics as a diversified instrument for acupuncture to treat patients with various symptoms. Recently, it has suggested that doctors didn't make full use of acupuncture and that poor understanding of the nine needles has caused the lack of usage. Methods : It has studied bibliographically about the conformation including a length & shape and application & usages of the nine classical needles presented in oriental medical classics. Results : Chamchim (shear needle) has 1.6 chon (寸) length, sharp apex treating fever in the head and trunk; Wonchim (roun-pointed needle) has 1.6 chon, eggshaped apex treating disease of flesh by massaging with it; Sichim (spoon needle) has 3.5 chon, thick body with round sharp apex treating weakness of Qi; Bongchim (lance needle) has 1.6 chon, a triangled apex treating chronic disease with bleeding; Pichim (stiletto needle) has 4 chon, razor sharp applying to surgery of big pus; Wonlichim (round-sharp needle) has 1.6 chon, thin body, sharp apex treating acute arthralgia syndromes; Hochim (filiform needle) has various lengths which treats various disease of meridians and organs; Jangchim (long needle) has 7 chon, sharp apex treating chronic arthralgia syndromes in deeper place of body; Daechim (large needle) has 4 chon, nail like apex applying to excrete artheredema in joints. Conclusions : The conformation of nine classical needles has been changed from those recorded in oriental medical classics since it was developed. However, the usage of nine classical needles has remained the same. Therefore it is considered that intrinsic attribute of the nine needles has preserved even though the conformation of nine classical needles has changed.

• The Journal of Korean Medical History
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• v.36 no.1
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• pp.11-21
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• 2023

Objectives : This paper is to find the meaning of Tan pulse at Chon and Cheok area due to pathological situation at Yang-gyo vessel & Yin-gyo vessel in Qikooujiudamai Diagnosis. Methods : In terms of Qikooujiudamai, the position to diagnose the Yang-gyo vessel & Yin-gyo vessel is Chon and Cheok position and the pulse is Tan pulse. To find the meaning of Tan pulse, wi-gi was analyzed. Then the correlation between Yang-gyo vessel & Yin-gyo vessel with wi-gi was analyzed to find the meaning of Tan pulse. Results & Conclusion : Yang-gyo vessel & Yin-gyo vessel have close connection with Wi-gi and its rise and fall is expressed by sleep. The Tan pulse means that Yang-gyo vessel & Yin-gyo vessel is in pathological situation by Wi-gi. By knowing the Qikooujiudamai's meaning, we can use acupucture treatment and medicine more precisely.

• Journal of Korean Medical classics
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• v.12 no.1
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• pp.226-254
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• 1999

For the first time, the theory of ChonKwanChuk(寸關尺) and the examination method of KyungJung(輕重法) of KiGu(氣口) were formed in "NanKyung(難經)". After that, the vicera assignment theory at left and right hands(左右守藏府記屬理論) was established in "MaekKyung(脈經)" After Reserching the theoretical relevance of the two books, theories between the doctors who understood the examination method of ChukBu(尺部診法) of "Somun MaekYoJungMiRon(素問 脈要精微論)" as the examination method of KyungJung(輕重法) and the doctors who understood that method as the method of ChonKwanChuk(寸關尺) were compared and researched. The results were as follows : 1. The posit ion of ChonKwanChuk(寸關尺) of the examination method of ChonKwanChuk(寸關尺法) is explained at 2nd Nan(二難) of "NanKyung" as follows. Chuk(尺) is the position which is 1Chon(1寸, unit) distant from Kwan(關) to the direction of ChukTaek acupuncture point(尺澤穴) and Chon(寸) is the position which is 9Pun(9分, unit) distant from Kwan(關) to the direction of EoJe acupuncture point(魚際穴). And the six vessels(六經) were assined to ChonKwanChuk(寸關尺) on the basis of OHangJaMoSnagSaeng(五行子母相生) at 18th Nan(18難) of NanKyung. After that Yang Hyun-Jo(楊玄操) at Dang Dynasty, Jung Deok-Yong(丁德用), Woo Seo(廬庶) at Song dynasty explaind the examination method of ChonKwanChuk(寸關尺法) of NanKyung as the method of ChonKwanChuk of two hands(兩手寸關尺法) from the viewpoint of "MaekKyung(脈經)". 2. From the viewpoint of MaeKyung, the vicera assignment of the two hand ChonKwanChuk method is as follows. At Chuk of left hand, the Heart and Small intestine are assigned. At Kwan of left hand, the Liver and Gall Bladder are assigned. At Chuk of left hand, the Kidney and Bladder are assigned. At Chuk of right hand, the Lung and Large in testine are assigned. At Kwan of right hand, the Spleen and Stomach are assigned. At Chuk of Right hand, the Vital Gate(命門) and Bladder are assigned. 3. For the first time, HwalSu(滑壽) at Won dynasty said that the paragraph "尺內兩傍${\cdots}{\cdots}$" of "Somun MaekYoJungMiRon" is the first of the examination method of KiGu(氣口診脈法). After that Ma Shi(馬蒔), Jang Gae-Bin(張介賓) of Myung Dynasty, Jang Ji-Chong(張志聰), Seo Dae-Chun(徐大椿) of Chung Dynasty who were influenced by him explained that paragraph as the method of KiGuChonKwanChuk(氣口寸關尺法). 4. Lee Kyu-Jun(李圭晙) explained the paragraph "尺內兩傍${\cdots}{\cdots}$" of "Somun MaekYoJungMiRon" as the method of KyungJung(輕重法) and explained Chok(尺) as the paragraph 'Chuk is low position of Kigu, and it means the depth(氣口之下位也, 言其深也)' and explained that 'the Left and the Right is layers(左右者層數). And he revised that the Jang(臟) must be examined at the inner part and the Bu(府) must be examined at the outer part. By this, he settled the theoratical basis of the method of KyungJung(輕重法). 5. The doctors who used the examination method of ChonKwanChok(寸關尺診法) settled their logical justification of the two hand examination method of ChonKwanChuk(兩手寸關尺診法) by connecting with "Somon MaekYoJungMi-Ron" from the viewpoint of 2nd Nan(難) and 18th Nan(難) of NanKyung and MaekKyung. On the contrary, the doctors who used the examination method of KyungJung(輕重診法) settled their logical justification of the examination method of KyungJung(輕重診法) by connecting with "Somun MaekYoJungMiRon" from the viewpoint of 4th Nan(四難) and 5th Nan(五難).

• Journal of Astronomy and Space Sciences
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• v.32 no.4
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• pp.395-401
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• 2015

We investigated the six remaining Yang-cheon-cheoks (量天尺), which were first described in the Veritable Record of King Sukjong (肅宗實錄). These woodblock sundials from Korea are structurally very similar to a Gyupyo (圭表, gnomon) or an altitude sundial and are light, compact, and portable. The front side of a Yang-cheon-cheok has two holes for styluses and several hour-lines. We compared the intervals of the hour-lines from the originating point of the stylus placement on all Yang-cheon-cheoks and found that two of the relics had the same hour-lines using the standard of the unit of 1 chon (寸). These two were actually the same sundial although the physical size was different. In spite of the lack of time accuracy, we hypothesize that various-sized Yang-cheon-cheoks were made and widely distributed throughout the public in the late Joseon Dynasty.

• Korean Journal of Heritage: History & Science
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• v.42 no.2
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• pp.134-153
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• 2009

This study is to examine closely the frame structure of buildings in the royal palace of Josen dynasty, focused on inner buildings of Changgyeonggung(昌慶宮) which is built in 19th century, through considering the member size of main structure and analyzing the slope of a rafter. The plans of a size on main member are as follows ; firstly, a length of the perimeter column was accorded with Gunggwolji(宮闕誌) and the planning size of interior column was shown to a Chon(a Korean inch, 寸) unit. The slope of long common rafter that is formed between the perimeter and interior columns was grasped with limits of a definite value. This is that the perimeter column is trimmed to a Chon unit, as Yeongchunheon(迎春軒), In the roof frame of Korean traditional timber architecture, the slope of rafter, first of all, is to decide the slope of long common rafter and then to decide a height of ridge piece settled whole height of a building. And it is regulated with position and height of a post so as to set up middle rafter. Especially, the slope of long common rafter, it is not to be decide through scale of a building but through a length of the perimeter column and composition of bracket structure. And in case middle rafter, the process of its slope is to devide the central bay on the side of a building into equality, and then to adjust position and length of a post.

• Journal of Korean Medical classics
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• v.24 no.6
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• pp.15-28
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• 2011

Gwan-Gyeok(關格) is one of the dangerous conditions that can lead to death and is considered important in clinical practice. However its true concept is unclear and arguments on the subject have been diverse over generations. This kind of confusion is largely due to an insufficient understanding of the study results on Nangyeong(難經). In Nangyeong, Gwan-Gyeok is divided into 'in bowels(在腑)' and 'in viscera(在臟) and distinction is made between 'damaged by heat(傷熱)' and 'damaged by dampness(傷濕) thus establishing a broad outline of differentiation of syndrome(辨證). Moreover, the clinical progress is systematically divided into 3 stages thus providing a very useful viewpoint on diagnostics. A sharp perspective on the pathogenesis is also shown by emphasizing the kidney and Myeongmun(命門) through the comparison between cheok pulse(尺) and chon pulse(寸). This point of view in Nangyeong is truly proposing a permanent standard on the understanding of Gwan-Gyeok. Therefore it is the author's hope that this study will work as a start to look back on the flow of the research on Gwan-Gyeok which has been rather confusing since Sanghallon(傷寒論).