• Title/Summary/Keyword: TRIGGER

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A Study on SCR-Based ESD Protection Device with Improved Robustness Using Stack Technology (Stack 기술을 이용한 향상된 감내 특성을 갖는 SCR 기반 ESD 보호 소자에 관한 연구)

  • Kwak, Jae-Chang
    • Journal of IKEEE
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    • v.23 no.3
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    • pp.1015-1019
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    • 2019
  • In this paper, a new ESD protection device is proposed to improve the trigger voltage and robustness. The HHVSCR and the proposed device were compared to verify the trigger voltage, the holding voltage and the robustness. The gate length was modified to verify the electrical characteristics. The trigger voltage, the holding voltage and the robustness were certified by comparing the proposed device and the stacking structure.

Effects of Ultrasound-Guided Acupotomy Therapy on a Trigger Finger: A Case Report

  • Ho Seok Jung;Tae Seong Jeong;Sung Chul Kim;Yeong Jin Jeong;Su Hak Kim;Jinwoong Lim
    • Journal of Acupuncture Research
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    • v.40 no.2
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    • pp.162-166
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    • 2023
  • This study aimed to demonstrate a safe and effective procedure targeting the A1 pulley with ultrasound-guided acupotomy in patients with a trigger finger. Six ultrasound-guided acupotomy procedures were performed on 1 patient. The Numerical Rating Scale (NRS) score, Quinnell's classification of triggering, Tanaka score, and A1 pulley thickness were measured using ultrasonography before and after treatment. This study revealed reduced NRS score, Quinnell's classification of triggering, Tanaka score, and thickness of the A1 pulley, with no side effects during the procedure. This indicates ultrasound-guided acupotomy as an effective and safe treatment method for patients with a trigger finger. Further studies are required to evaluate the beneficial effects of this treatment.

I-Umlaut in Old English: A Weak Trigger Effect

  • Moon, An-Nah
    • Journal of English Language & Literature
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    • v.57 no.6
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    • pp.1043-1065
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    • 2011
  • This study investigates i-umlaut which occurred in the period of pre Old English (OE) in two aspects: what motivates i-umlaut in OE and how the phenomenon can be analyzed within the framework of OT. Unlike root-controlled vowel harmony, i-umlaut in OE is triggered by the suffixal i or j in the unstressed syllable whereby a stressed root vowel becomes fronted or raised. In this study, it is proposed that i-umlaut in OE is driven by the weak trigger i or j to improve its poor perception: I-umlaut improves the poor perceptibility of the weak trigger by extending its feature-either [-back] or [-low]-onto the vowel in the stressed syllable. This study provides an OT-theoretic analysis utilizing the licensing account to vowel harmony proposed by Walker (2004, 2005). The licensing constraints, IDENT-IO(F) and the locally conjoined constraints are proposed and their interaction correctly captures the pattern of i-umlaut in OE. Also, it is shown that the licensing account proposed in this paper is superior to the previous analyses as well as the nonlicensing approaches in that it can provide a perceptual motivation couched in i-umlaut in OE.

The Case Report of Trigger Finger Improved with Hominis Placenta Pharmacopuncture Treatment (자하거 약침으로 호전된 방아쇠 수지 환자의 증례 보고)

  • Kim, Jeong-Won;Kim, Choo-Young;Choi, Seung-Peom;Han, Sang-Wook;Lee, Jae-Chul;Kim, Dong-Hoon
    • Journal of Pharmacopuncture
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    • v.13 no.4
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    • pp.139-147
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    • 2010
  • Objectives : The Purpose of this study is to investigate and report the effectiveness of Hominis Placenta using Pharmacopuncture treatment for trigger finger. Methods : 3 Patients are admitted at Dept. of Oriental Rehabilitation, Bu-Chun Jaseng Oriental Medicine Hospital, diagnosed as Trigger finger and treated with Hominis Placenta Pharmacopuncture. Each cases are measured and assessed by Quinnell's classification of triggering and VAS (Visual Analogue Scale) scores. Results : 3 Patients of trigger finger have a different kind of cause and fingers lesion they have, but nodules are not significantly found up, so we could classify all of 3 patients to diffuse type. After treatment of Hominis placenta Pharmacopuncture, spontaneous pain and tenderness, grades of triggering are decreased significantly. We would expect that Hominis placenta Pharmacopuncture has a effect on degenerative diseases of diffuse type's tendon sheath. Conclusions : Trigger finger is generally divided into two stages, inflammatory and degenerative stage, and when degenerative stage, Hominis placenta pharmacopuncture appears to be effective.

Clinical Study of Different Effect between Trigger Point Needling and Remote Acupuncture Point Needling on Shoulder Pain Patient (견비통(肩臂痛)에 대한 Trigger Point 자침(刺鍼)과 원위취혈(遠位取穴)의 치료효과(治療效果)에 대한 임상적(臨床的) 비교(比較) 연구(硏究))

  • Lee, Jin-Seok;Song, Kye-Hwa;Lee, Seong-No;Kim, Dae-Jung;Yu, Jung-Suk;Nam, Hyo-Ik;Kim, Hoi-Young;Son, Hyun-Soo
    • Journal of Acupuncture Research
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    • v.24 no.5
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    • pp.89-96
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    • 2007
  • Objectives : This report is to compare Remote Acupuncture Point Needling group with Trigger Point Needling group about Shoulder pain treatment. Methods : From November 11th 2006 to May 10th 2007, 30 cases of shoulder pain patients were divided into 2 groups ; one group(test I group) took remote acupuncture point needling, and the other group(test II group) took trigger point needling. For evaluating change of pain, Visual Analog Scale(VAS) and clinical evaluation grade and Range of Motion was checked before and after Treatment. Results : Both acupuncture therapy showed good effect on shoulder pain. And test II group showed better effect on decreasing pain than test I group. It was proved by the difference between VAS and ROM checked before treatment and what checked after treatment. But it was only significant statistically for adduction, inversion and eversion of shoulder joint motion. Conclusion : Trigger point needling can be recommended as a useful therapy to treat shoulder pain.

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Comparison of Ultrasonography Images on Normal Muscle and Myofascial Trigger Points Activated Muscle (정상근과 근막 유발점이 활성화된 근육의 초음파 영상의 비교)

  • Kim, Myung-Hoon;Kim, Su-Hyon;Kim, Hyun-Jin
    • The Journal of Korean Physical Therapy
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    • v.25 no.2
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    • pp.76-80
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    • 2013
  • Purpose: The objective of this study was to offer primary clinical data examining whether change of imaging structure and quantitative evaluation of muscle activity on myofascial trigger points can lead to implementation of an analytical technique for evaluation of myofascial pain diagnoses. In addition, we examined the effect of a variety of mediation techniques, in order to examine neuromuscular physiological characteristics of myofascial trigger points muscle by comparing differences in pressure pain threshold and ultrasound imaging. Methods: Participants in the study included 30 adults in their twenties. The subjects were divided into the normal and myofascial trigger points groups. Clinical outcomes were evaluated by pressure pain threshold for pain and ultrasound imaging was performed for evaluation of the structural characteristics of muscle. Independent t-test was used for statistical analysis. Results: The two groups showed statistical significance in the change in pressure pain threshold (p<0.05). Findings of ultrasound imaging analysis showed no significant differences, increased muscle thickness was observed (p>0.05). Findings of ultrasound imaging analysis showed significant differences, increased muscle echodensity was observed (p<0.05). Findings on ultrasound imaging analysis showed significant differences, increased muscle white area index was observed (p<0.05). Conclusion: From these results, active myofascial trigger points muscle showed quality deterioration on ultrasound imaging. Thorough evaluation of imaging structure and physiological characteristics can be useful quantitative analytical techniques for diagnosis of myofascial pain syndrome and a primary factor reflected in physical therapy intervention.

Ultrasound Imaging and Electrophysiological Characteristic According to Activity Levels of Myofascial Trigger Point (근근막 발통점의 활성도에 따른 초음파 영상구조 및 전기생리학적 특성)

  • Kim, Hyun-Jin;Kim, Su-Hyun;Park, Young-Hyun;Oh, Seok;Choi, Ji-Ho;Kim, Tae-Youl
    • Journal of the Korean Academy of Clinical Electrophysiology
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    • v.8 no.1
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    • pp.23-29
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    • 2010
  • Purpose : This study is to offer clinical primary data that examines the change of imaging structure and the quantitative evaluation of muscle activity on myofascial trigger points. This study examines neuromuscular physiological characteristic by comparing the differences in physical findings, pressure pain threshold, imaging, and electrophysiological characteristics in latent and active myofascial trigger points muscle and normal muscle through the following experimental procedures. Methods : The participants for the study were thirty-three adults in their twenties. We divided three groups into normal, latent and active myofascial trigger points groups by physical findings. We analyzed the results of measured pressure pain, threshold for pain, ultrasound imaging perform for structure characteristic of muscle, surface EMG according to type of muscle contraction for function of muscle contraction. Results : Significant differences were indicated in pressure pain threshold (p<0.05). Significant differences were discovered in the ultrasound imaging analysis. There were increases in muscle Echogenicity white area index (p<0.001). There were significant differences that decrease in %MVIC (p<0.05), increase in MDF (p<0.05). Conclusion : From these results, active rnyotascial trigger points muscle showed quality deterioration on ultrasound imaging and decreased function of muscle contraction, increased motor unit action potential of II type fiber, and electrophysiologically. Imaging structure and neuromuscular physiological characteristic can be diagnostic and quantitative analytical techniques for myofascial pain syndrome and a primary factor that reflected in physical therapy intervention.

Estimation of Trigger Rainfall for Threshold Runoff in Mountain River Watershed (산지하천 유역의 한계유출량 분석을 위한 기준우량 산정)

  • Kim, Dong Phil;Kim, Joo Hun;Lee, Dong Ryul
    • Journal of Wetlands Research
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    • v.14 no.4
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    • pp.571-580
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    • 2012
  • This study is on the purpose of leading Geomorphoclimatic Instantaneous Unit Hydrograph(GcIUH) by using GIS Techniques, and estimating trigger rainfall for predicting flash flood in Seolmacheon catchment, mountain river watershed. This study leads GcIUH by using GIS techniques, calculates NRCS-CN values for effective rainfall rate, and analyzes 2011 main rainfall events using estimated GcIUH. According to the results, the case of Memorial bridge does not exceed the amount of threshold runoff, however, the case of Sabang bridge shows that simulated peak flow, approximately $149.4m^3/s$, exceeds the threshold runoff. To estimate trigger rainfall, this study determines the depth of 50 year-frequency designed flood amount as a threshold water depth, and estimates trigger rainfall of flash flood in consideration of duration. Hereafter, this study will analyze various flood events, estimate the appropriateness of trigger rainfall as well as threshold runoff through this analysis, and develop prototype of Flash Flood Prediction System which is considered the characteristics of mountain river watershed on the basis of this estimation.