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The Prediabetic Period: Review of Clinical Aspects
이상열,우정택 대한당뇨병학회 2011 Diabetes and Metabolism Journal Vol.35 No.2
Hyperglycemia that does not satisfy the diagnostic criteria for diabetes mellitus (DM) is generally called prediabetes (preDM). The global prevalence of preDM has been increasing progressively in the past few decades, and it has been established that preDM status is a strong risk factor for DM and cardiovascular disease. Currently, preDM status is classified into two subtypes: impaired fasting glucose and impaired glucose tolerance. Currently, preDM is not regarded as an independent clinical entity, but only as a risk factor for others. In this article, we review various clinical aspects of preDM in terms of the working definition, changes in criteria over the years, epidemiology, and pathophysiological characteristics, and its clinical significance in current medicine.
이상열,조용석 한국광고홍보학회 2009 한국광고홍보학보 Vol.11 No.4
Cross-cultural research has consistently shown that people in different cultures have different attribution systems, which often leads to different cognitive processing of information and even different judgments on the same event. This research reports the role of cultural attribution in evaluating pictorial implicature ads. Study 1 examined the attitudinal consequences of dispositional vs. situational attribution. Study 2 examined whether culture moderates the impact of advertiser’s intentions by framing attribution (sensation seeking vs. social issues). The results of the two experiments document the consequences of different cultural attributions in evaluating pictorial implicature advertisements between the US and Korea.
실리콘 턱끝보형물을 제거한 후 발생한 턱변형 교정 증례
이상열 대한미용성형외과학회 2010 Archives of Aesthetic Plastic Surgery Vol.16 No.1
Chin augmentation with silicone implants has long been considered as a simple and effective operation to increase chin projection. However, insertion and subsequent removal of silicone chin implant are not a reversible procedure, as commonly believed. Removal of silicone chin implant is usually associated with mentalis displacement, chin ptosis, and abnormal contraction of mentalis muscle, leading to "bizarre chin configurations" that are refractory to surgical treatment. I also experienced a patient who developed bizarre ball-like appearance on her chin pad after the removal of chin implant because of pain, which was inserted subperiosteally through an intraoral approach 6months ago. In order to improve the chin deformity and decrease bizarre chin configuration aggravated by an abnormal overactivity of underlying mentalis muscle, fusiform skin with underlying soft tissue was excised vertically and chin pad was tightened. Postoperative 2 months photograph showed improvement of chin disfigurement, and vertical scar was acceptable. (J Korean Soc Aesthetic Plast Surg 16: 53, 2010)
이상열,임성순 대한토목학회 2011 KSCE JOURNAL OF CIVIL ENGINEERING Vol.15 No.5
This study deals with the dynamic behavior of long-span cable-stayed bridges under various wind effects. The novelty of this study is the consideration of an initial static equilibrium state subjected only to the self-weight of the bridge at various construction stages under complex buffeting winds. In particular, the dynamic response of a bridge prior to closure of the superstructure at the main and side spans are studied using a newly developed finite element program. The numerical results obtained for an existing three-span cable-stayed bridge model are compared to data from laboratory scaled-model testing. The parametric studies are focused on the various effects of wind speed on the dynamic behavior of cable-stayed bridges when the initial static equilibrium states at different construction stages are considered.
이상열,노명현,박대효 대한토목학회 2008 KSCE JOURNAL OF CIVIL ENGINEERING Vol.12 No.6
This work examines the identification of stiffness reduction in damaged reinforced concrete bridges under moving loads, and carries out the stiffness assessment after repairing using steel plates. In particular, the change of stiffness in each element before and after repairing, based on an advanced system identification (SI) method, is described and discussed by using a modified bivariate Gaussian distribution function. The proposed method in the study is more feasible than the conventional element-based method from computation efficiency point of view. The validity of the technique is numerically verified using a set of dynamic data obtained from a simulation of the actual bridge modeled with a three-dimensional solid element. The numerical examples show that the proposed technique is a feasible and practical method which can inspect the complex distribution of deteriorated stiffness although there is a difference between actual bridge and numerical model as well as uncertain noise occurred in the measured data.
기저면의 넓이와 상지 근육의 최대 수의적 등척성 수축의 상관관계
이상열,조맑은,Lee, Sang-Yeol,Jo, Marg-Eun 대한고유수용성신경근촉진법학회 2016 PNF and Movement Vol.14 No.1
Purpose: The purpose of the present study was to examine the effects of the area of the base of support formed by the human body on the maximal voluntary isometric contraction of upper limb muscles. Methods: The study was conducted with 20 normal adults. To identify changes in the base of support, the maximal voluntary isometric contraction of the biceps muscle was measured in a standing position, a sitting position, and a lying position for each subject. The sizes of the base of support formed in the standing, sitting, and lying positions were set to 1, 2, and 3 respectively, based on the sizes, to analyze the correlations. The maximal voluntary isometric contraction of the biceps muscle was measured using surface electromyograms (EMGs) (Noraxon DTS, Germany). Results: The results showed negative correlations in which, as the size of the base of support increased, the maximal voluntary isometric contraction of the biceps muscle decreased. Conclusion: Changes in the base of support of the body affect the maximal voluntary isometric contraction of the upper limbs. Therefore, when resistance exercises are applied for muscle strengthening, the positions should be changed considering the changes in muscle activity according to those positions. In addition, when EMGs are used to measure the maximal voluntary isometric contraction, the measurements should be conducted in the same positions, considering muscle activity that changes according to the base of support and positions, for data quantification.