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KMID : 1129720070240020061
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Korean Journal of Acupuncture
2007 Volume.24 No. 2 p.61 ~ p.76
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A Study of Accuracy and Usability for Acupuncture Points Locating Devices
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Chae Youn-Byoung
Kang O-Seok
Hahm Dae-Hyun
Lee Seung-Ho
Kim Jai-Soon
Kim Kwan-Hyung
Kim Hee-Young
Lee Hye-Jung
Park Hi-Joon
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Abstract
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Objectives : Accurate and reproducible location of an acupuncture point (AP) have been considered an essential component of meaningful acupuncture research as well as clinical practice. Several kinds of devices have been developed and widely used for the convenience of locating APs. However, the accuracy and convenience of these devices have not been systematically evaluated. The present study was performed to find out the most suitable tools for the location accuracy and location easiness of APs among the devices respectively.
Methods : Twenty subjects attempted to locate APs, including PC5 and SP6 in the arm and leg, using four different AP positioning methods: one Conventional Ruler method and three alternative methods including Cunometer, Transparent AP meter, and Elastic Ruler method. The position marked on each AP was plotted onto a thin, flexible, and transparent plastic film, and the dispersion rate of the positions was determined and recorded. The elapsed time for locating each AP was measured. After that each subject was answered to a short questionnaire regarding the degree of convenience and confidence of use of each method for AP location.
Results : All of three alternative methods took less time than Conventional Ruler method did. Among these alternative methods, the accuracy of Elastic Ruler method was markedly higher than others. The degree of convenience of the Cunometer and the confidence of Elastic Ruler method were the highest among these alternative methods.
Conclusions : The present study indicates that the Elastic Ruler method was the most compatible for the conventional Ruler methods. However, there are many factors need to be reconsidered. Improved devices for locating AP are imperatively needed for clinical practice.
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KEYWORD
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acupuncture point, location, devices, accuracy
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