펠던크라이스 기법, 탄성밴드 운동 및 복합운동 적용이 현대무용전공자의 체간근력에 미치는 영향

김채수(Kim Chae-Soo),권혜영(Kwon Hye-Young),이원재(Lee Won-Jae),조창모(Jo Chang-Mo),김진환(Kim Jin-Hwan),주성범(Ju Sung-Bum),이미경(Lee Mi-Kyoung) 한국체육과학회 2011 한국체육과학회지 Vol.20 No.1

This study is carried out to examine the effect of applying Feldenkrais method, elastic band training and combined training on trunk muscle. The subjects of this study were 32 modern dance majors and they were divided into four groups which consists of 8 peoples each, Feldenkrais method group(modern dance + Feldenkrais method), elastic band training group(modern dance + elastic band training), combined training group(modern dance + Feldenkrais method + elastic band training), and control group(modern dance). Measurement variables which are trunk muscle were measured before training, and after 4 and 8 weeks training and the results are as follow: In the left muscle strength change at Centaur 0°, Feldenkrais method group, elastic band training group and combined training group showed significant increase after 8 weeks training compared to before training. In the right muscle strength change, Feldenkrais method group and combined training group had significant increase after 8 weeks training. In the left muscle strength change at Centaur 45°, Feldenkrais method group and combined training group showed significant increase after 8 weeks training compared to before training and after 4 weeks training. Also elastic band training group showed significant increase after 8 weeks training compared to before training. In the right muscle strength change, Feldenkrais method group and elastic band training group significantly increased after 8 weeks training compared to before training. In the left muscle strength change at Centaur 90°, Feldenkrais method group and combined training group showed significant increase after 4 and 8 weeks training compared to before training. In the right muscle strength change, Feldenkrais method group showed significant increase after 4 and 8 weeks training compared to before training, and elastic band training group significantly increased after 8weeks training compared to before training. In the left muscle strength change at Centaur 135°, there was no significant changes. In the right muscle strength change, elastic band training group and combined training group showed significant increase after 8 weeks training compared to before training. In the left muscle strength change at Centaur 180°, combined training group showed significant increase after 4 and 8 weeks training compared to before training. In the right muscle strength change, combined training group showed significant increase after 4 and 8 weeks training compared to before training. From above results, applying 8 weeks regular program of Feldenkrais method, elastic band training and combined training to modern dance majors showed positive changes on improvement of trunk muscle strength and physical strength. Also this study implemented to verify the effects of trunk muscle strength and body balance through supplementary training program, and showed the effects in the training group and control group after 8 weeks trunk muscle strengthening program. Feldenkrais method, elastic band training and combined training are very effective to improve trunk muscle strength of modern dance majors so that continuous implementation and application of these effective training program shall be provided for strengthening trunk muscle.

기후변화가 축산업에 미치는 경제효과

공현석(Hyeon Seok Gong),정경수(Kyeong Soo Jeong),김민경(Min Kyoung Kim),장재봉(Jae Bong Chang) 한국농식품정책학회 2020 농업경영정책연구 Vol.47 No.2

Adopting the Ricardian approach, this study investigates the economic effects of climate changes such as average temperature and rainfalls on Korean livestock farm revenue. The explanatory variables of empirical model were selected based on the previous literature. The pseudo-panel analysis is employed to resolve the imperfectness of the panel data. The results indicate that the control variables such as farming experience, household size, employment, ownership of heavy machinery, technology use, full-time farming and male owner affect the livestock farm revenue positively, and the age does negatively. The impact of summer average temperature on farm revenue was significant and negative, while that of winter was significant and positive. The marginal change of the summer temperature decrease farm revenue per head by 2.48%. This paper suggests that the livestock farm’s revenue responds sensitively to changes in summer and winter average temperature, and so we need to establish the long-term countermeasures against rapid climate change.

안구적출에 따른 위둔덕의 칼슘결합단백질의 재구축 및 상호 연관성

안병수,고길석,안명수,김경주,권안성,정명섭,박춘매,조병옥,김진우,Samudra Acharya,Parmeshwar Narayan Amatya,장인엽 朝鮮大學校 附設 醫學硏究所 2007 The Medical Journal of Chosun University Vol.32 No.1

Background: Superior colliculus is a part of midbrain, and participates in the visual reflexes, It receives afferent fibers from optic nerve, visual cortex, and spinotectal tract. After optic deprivation, the microscopic structure of the superior colliculus changed. Calcium-binding proteins (CBPs) Play an important role in the neuronal protection, differentiation and reorganization of the central nervous system, Objectives and Methods: The effects of neonatal retinal deafferentation on a CBPs, calbindm D-28k (CB), Parvalbumin (PB) and calretimn (CR), and the existence of colocalization between the CBPs were examined immunohistochemically in the rat superior colliculus. Results: On the experimental (contralateral to enucleation) side of superior colliculus, the number of CB-immunoreactive (IR) cells was reduced (77.4% compared to control), but not fibers. The number of PB-IR neurons and fibers was also reduced on the experimental side (88.5% compared to control), In the other hand, the CR-IR cells were dramatically increased (642% compared to control), but CR-IR fibers were markedly decreased on the experimental side. The colocalization between CB-CR and PV-CR was rarely observed in the superior colliculus Conclusion: These results suggest that the changes of retinotectal projection may alter the expressional pattern of CBPs in different manners; relatively stable in CB- and PV-IR neurons and plastic in CR-IR neurons.

Ion channel-based flexible temperature sensor with humidity insensitivity

Kim, Jung-Soo,Chun, Kyoung-Yong,Han, Chang-Soo Elsevier Sequoia 2018 Sensors and actuators. A Physical Vol.271 No.-

<P><B>Abstract</B></P> <P>We report an energy-efficient and mechanically durable temperature sensor with high selectivity and sensitivity. This sensor structure is inspired by ion channels in the cell membranes of living organisms that enable them to respond to temperature changes. For this purpose, a pore membrane and ionic solution are used for measuring the temperature based on the electrophoretic transport of ions. As the results indicate, we achieve a low consumption of power (8 μW/mm<SUP>2</SUP>), high linearity (R > 0.99), and a high temperature coefficient of resistance (0.022 °C<SUP>−1</SUP>) over the specified temperature range (20–70 °C). Our sensor intrinsically exhibits high selectivity to the humidity change and high signal stability to mechanical deformation. In addition, we also fabricate a flexible 3 × 3 matrix ion-channel-based temperature sensor, and demonstrate that it is capable of highly selective, sensitive, and flexible measurement (or area mapping) of the temperature over a specified area.</P> <P><B>Highlights</B></P> <P> <UL> <LI> The flexible ion channel sensor has a linear temperature dependency with high sensitivity and high selectivity. </LI> <LI> This sensor maintains the stability of the performance against mechanical deformation and humidity changes. </LI> <LI> The extended-array sensor can measure the temperatures over a wide range with a great deal of flexibility. </LI> </UL> </P>

S-상 심실중격의 임상적 고찰

이동민,장경식,양종태,장대용,김종오,서영욱,고영엽,홍순표 조선대학교 부설 의학연구소 2002 The Medical Journal of Chosun University Vol.27 No.1

Background: The sigmoid septum described an anatomical variation in the contour of the left ventricular outlet. It is related to degenerative change with aging. We observed clinical significance of sigmoid septum in Korean. Methods: Echocardiographic examination was performed in 434 patients. Sigmoid septum is defined as discrete bulging of the proximal interventricular septum with that thickness is greater than 1.3cm or the thickness is grater 1.5 times than adjacent mid interventricular septum in apical 3 chamber view. Result: The incidence of patient with sigmoid septum(septum patient) is 24.8% (male 8.4%, female 16.3%) . The incidence increases with age and is more common in women. The patients with sigmoid septum were compared with targeted groups, there was no significant difference in blood pressure between them, but in height and weight, the former were lower. (p<001, p<03). In the patients with sigmoid septum, weight and the surface area of a body have an opposite correlation with increase of age (p<03, r=-0.34) (p<04, r=-0.31) , but no decrease of height was found according to age increase (p=0.47, r=-0.11) The main reason patients with sigmoid septum ask echocardiolography and its clinical symptoms were abnormal results of previous electrocardiography and/or usual chest pain. Compared with control group, interventricular septal thickness is larger in septum patients (p<001). The thickness of interventricular septum located in subaortic left ventricular outflow tract is 1.6±0.3cm. There is another web like structure that continued from interventricualr septum to anterior free wall of left ventricle and the width is 1.6±0.4cm. A sign of insignificant obstruction due to left ventricular outflow was observed from three sigmoid septum patients. Conculusion: Septum patient is largely found in older age group and the body weight and body surface area are lower than control group. The body weight and body surface area are opposite correlation with age. So sigmoid septum is considered as structural change by weight reduction with aging. It is assumed that septum patients are related with asymptomatic ischemia because they have more abnormal ECG finding such as T wave inversion on precordial leads or standard leads, nonspecific ST-T change, LBBB etc. Sigmoid septum is not only proximal interventricular septal bludging but also another web like structure continuing to anterior wall of left ventricle.

골조직과 임플랜트 계면의 최소접촉분율에 관한 삼차원 유한요소분석적 연구

장경수,김영수,김창회,Jang, Kyoung-Soo,Kim, Yung-Soo,Kim, Chang-Whe 대한치과보철학회 1997 대한치과보철학회지 Vol.35 No.4

In order to find the degree of osseointegration at bone-implant interface of clinically successful implants, models including the 3.75mm wide, 10mm long screw type $Br{\aa}nemark$ implant as a standard and cylinder, 15mm long, 5.0mm wide, two splinted implants, and implants installed in various cancellous bone density were designed. Also, the amount of load and material of prostheses were changed. The stress and minimum contact fraction were analyzed on each model using three-dimensional finite element method(I-DEAS and ABAQUS version 5.5). The results of this study were as follows. 1. 10mm long, 3.75mm diameter-screw type implant had $36.5{\sim}43.7%$ of minimum contact fraction. 2. Cylinder type implant showed inferior stress distribution and higher minimum contact fraction than screw type. 3. As implant length was increased, minimum contact fraction was increased a little, however, maximum principal stress was decreased. 4. Implants with a large diameter had lower stress value with slightly higher minimum contact fraction than standard screw type. 5. Two splinted implants showed no change of minimum contact fraction. 6. The higher bone density, the lower stress value. 7. The material of occlusal surface had no effect on the stress of the bone-implant interface.

20대 여성의 정장의류 상표군 선호도와 구매시 평가기준

권수애,장현주,한정혜,조소영,손지희,김선화,안경은 충북대학교 교육 ·생활연구소 생활과학연구센터 2002 생활과학연구논총 Vol.6 No.2

This study is to analyze the compitition structure and the brand image of the formalwear and the preferance of the brand group among the age of 20's females. The 207 samples of 20's females who live in Cheong-Ju city. The results of this study are followed as: The market competition structre appeared in positioning map have been constituted into four groups of the "Tomboy y'sb","lollol·selly·besti-belly","VOV·o.z.o.c·Joinus",EnC·i.n.v.u". The brand-trasfer of each group may easily be taken place as each compition among these groups was much feeble. By investigating the image of the formalwear brands appeared in positioning map, it may be presented that horizontality dimrnsion is "cute-ellegance image", and verticality dimension is "mannish-feminine image". Group Ⅳ such as EnC·i.n.v.u is brand which are prefered and purechaseed by the age of 20's females, whereas the preferance and puechase of brand such as VOV·o.z.o.c·Joinus.

모형항공기 엔진 개발

임경호,전창수,김영진 한국 항공대학교 항공산업기술연구소 1999 航空宇宙産業技術硏究所 硏究誌 Vol.9 No.-

모형항공기 엔진을 개발을 위해 우선 엔진 크기의 기초설계변수 선정은 기존 제품들에 대한 자료를 분석하여 구하였다. 엔진블럭의 외형이 블록 온도분포에 미치는 영향을 살펴본 결과, 블록의 단면적이 동일하다는 조건하에서, 원형보다는 직사각형에 가가운 형상이 조금 좋은 것으로 나타났다. 엔진 블록 휜의 기하학적 변수로 흰 가격/깊이는 0.3, 흰 두께/깊이는 1.5 정도로 설계되는 것이 블록의 온도 분포 측면에서 바람직한 것으로 판단된다. 간단한 pony-브레이크 동력계로 회전수와 로드셀에 가해지는 힘을 측정하여 엔진 축동력을 근사하게 평가할 수 있음을 확인하였고, 고회전수에서의 측정을 위해서는 보다 정밀한 측정장비가 요구될 것으로 판단된다. A preliminary design study on development of model aircraft engine were initiated. For new model engine, the database was collected which were based on various existing engine models as a function of performance parameters and engine geometries. From these data, basic engine design geometric parameters were determined. For fixing the shape of engine block, circular block and rectangular block with rounded corners were compared in view of temperature distributions in engine block under same flow/thermal conditions. As a result, the difference seems to be very minor, but a little bit better temperature distribution was developed in case of rectangular one. To improve cooling effect due to cooling fins on engine block, the effects of fin geometries on cooling were investigated using commercial CFD software. Better cooling would be anticipated with fins which has fin clearance to depth ratio of 0.3 and fin thickness to depth ratio of 1.5. Simple pony-brake dynamometer system developed for the prediction of small engine performance, measuring the force and rpm with load-cell and stroboscope.

2급 응급구조사의 성인외상환자에 대한 처치의 적절성 평가

장문수,어은경,김상현,김창섭,송근정,박한규,유지영,최동섭 대한응급의학회 1995 대한응급의학회지 Vol.6 No.2

In Korea, EMT have two classified subgroup of first and second degree : EMT-P, and EMT. For the beginning, authorization of the first EMT was made in this year through the EMT educational program. There are 8 items which EMT can perform the treatment without the supervision by a physician. But there was no previous report of pertinent assesment of treatment performed by the EMT. There upon authors have conducted review of assessment done by the EMT in EC setting, and proposed the following treatment application can be used by EMT at the field of accident. The study materials include adult trauma patient older than 15 years, and sustained trauma within 48 hours before visiting Ewha University DongDaeMoon Hospital Emergency Deparment. The duration of study was from Apr. 1 1995 to Aug. 31 1995. the study was conducted by 5 certified EMT. The EMT's performance was evaluated by the attending Emergency Medicine physician. The result were as followings ; 1. Among the total 5532 ED visiting patients during the study period, 1267 were adult trauma patients who recieved treatment within 48 hours of injury. 2. Among 1222 out of 1267 patients have completed performed survey. 3. Male to female ratio was 2.6 : 1, age distribution was from 15 to 87 years old and mean age was 34.6 years old. 4. The MOI showed : MVA (33.1%), blunt trauma (29.9%), slip down (16.8%), penetrating injury(15.4%), and miscellaneous (5.7 %), burn (3.1%), falling down injury(2.9 %), bite injury(1.1%) in order. 5. There were 437 cases of survey completed by the EMT. For assessment of mental status of 3 different method : AVPU, 5 scale mental status and GCS, were correlated with EM physician with 99.1%, 98.6%, 97.7 %, respectively. 6. For 320 out of 437 cases of survey completed, 319 patients recieved treatment by the EMT within 30 minute and 1 patient between 30 to 60 minute of an ED arrival. 7. For those 437 cases of survey completed, 266 patient (60.9%) had adequate treatment and 54 patients (12.4%) had inadequate treatment. 67 patient (15.3%) did not received treatment but it was adequate inway, and 50 patients (11.9%) did not received treatment even though patient required treatment. In cases of adult trauma patients, EMT's mental status assessment was correlated with EM physician's assessment. But treatment done by EMT without the supervision of EM physician was adequate only in 76.2 %. Therefore, continuous education and assessment of treatment performed by EMT in needed to improve field treatment by EMT future.

강원지역의 자원관리를 위한 지리정보시스템 개발

서백수,임길재,정영준,송화선,류창희,민경원,서희정 강원대학교 석재복합신소재제품연구센터 1997 석재연 논문집 Vol.2 No.-

강원도는 오랫동안 금속, 비금속, 석재 및 석탄과 같은 지하자원들을 공급하는 국내 주요생산지로 알려져 왔으나, 장기적인 채광과 비 계획적인 생산으로 인하여 매장량이 고갈되고 있으며, 대외적으로 생산 경쟁력 마저 잃어가고 있다. 이러한 문제점에 대한 해결방안의 일환으로 본 연구에서는 강원도내에 산재되어 있는 지하자원의 분포, 자원 생산시설 및 생산량, 경제성, 자원개발, 환경문제 등 자원관리에 필요한 제반사항을 수행할 수 있는 강원지역 자원 종합관리 GIS 시스템을 개발하였다. 이 시스템의 개발은 방대한 양의 정보 조사 및 저장, 오랜 개발기간, 많은 소요인력 및 개발 비용이 요구되기 때문에 본 연구에서는 조기에 자원관리 GIS 시스템을 개발하여 이와 관련된 생산 및 연구 분야에 조기에 적용할 수 있도록, 일차년도에는 현재 석재복합 신소재제품 연구센터의 집중적 연구대상 지역인 태백지역에 대한 탄광지역을 중심으로 자원 종합관리 GIS 시스템을 개발하였다. The Kangwon province has been well-known to be one of major underground resource producing districts which are mainly supplying metals, non-metals, stones, and coals. However, due to the long-term mining and unplanned production, the natural resource reserves have been rapidly drained and oversea production competition has been losing. In this study, we has developed a GIS system for regional resource management in the Kangwon province, which can operate, maintain, and manage the distribution of underground resources, resource production facilities, production and economic development, and environmental issues. The development of this system requires the collection, analysis, evaluation, and storage for a huge amount of research data, and in addition, the long period of time, the big research man power, and big development cost. Accordingly, to shorten the development period of time and to early apply itself to production, this stage of study has been intensively developed a regional resource GIS system for managing the mines scattered in the Tabak province, which is one of hottest RRC's research areas.