• Title/Summary/Keyword: Joint development

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A Study on Development of Modular System using Light-weighted Structure Members (경량형강을 사용한 모듈러 시스템 개발에 관한 연구)

  • Zheng, Sheng-Lin;Ju, Gi-Su;Park, Sung-Moo
    • Proceeding of KASS Symposium
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    • 2008.05a
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    • pp.43-48
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    • 2008
  • The object of this paper is to evaluate on constructability of modular steel frame with the hollow structural steel section to LEB C-shape. A modular building is built with factory-manufacture and site-construction. The advantage of a Modular building presents that enhanced building quality, shortened construction period and easy at an expansion and enlargement for buildings but also has demerits such as size restriction of the modular units according to the Road Traffic Law and Inflexibility of the unit composition. So in this study we use light-weighted structure members with bolted joint for easy Knock-down and traffic, also we evaluated the constructability of this bolted joints type modular buildings.

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Code Change for Using Large-Sized/High-Strength Headed Deformed Bars in Nuclear Power Plant Structures (대구경/고강도 확대머리철근의 원전구조물 사용을 위한 코드개정방안 연구)

  • Lee, Byung-Soo;Bang, Chang-Joon;Kim, Suck-Chul;Lim, Sang-Joon
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2014.05a
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    • pp.80-81
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    • 2014
  • Generally significant reinforcement is used for nuclear power plant structures and may cause potential problems when concrete is poured. In particular pouring concrete into structural member joint area is more difficult than other areas since the joint area is very congested due to hooked bars, embedded plates, and other reinforcements. The purpose of this study is to solve the problem by applying high-strength(ASTM A615 Gr. 75/80) bars. In addition large-sized(#14 & #18) headed deformed bar could be used as alternative of standard hooked bars to relieve the congestion to some extent. In order to apply headed deformed bars to nuclear power plant structures effectively, the large-sized diameter bars and the high-strength bars shall be used as thick as clear cover thickness 1". Therefore, test results were obtained by taking bar size, yield strength, and clear cover thickness as variables.

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Prototype of Fall Impact Protective Pants for Elderly Women (노년 여성을 위한 낙상충격 보호팬츠 디자인 프로토타입)

  • Park, Jung Hyun;Lee, Jeong Ran
    • Journal of the Korean Society of Costume
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    • v.66 no.4
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    • pp.45-60
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    • 2016
  • Elderly women have a high risk of falling down in their daily lives. The purpose of this study is to develop protective pants for elderly women, which will mitigate the impact of falls, and play a major role in reducing injuries. The two types of design were proposed for development of protective pants by selecting pad insertion point and inserting lining for keeping pad in place through the checklist to investigate from the interviews with the medical workers and the investigation of the user requirement. Design A has protective pads in the hip, hip joint, and knee, while design B has protective pads in the hip and hip joint area. For the impact absorbing material, CR (chloroprene rubber) foam was selected for its flexibility, lightness, and impact absorbing capacity, and its pad shapes were designed to produce much flexibility in consideration of the activity and human body fitness of the wearers. Three kinds of pad types, which are the cut type, the porous type, and the honeycomb type, were proposed, and were manufactured to fit into the protective parts according to their design types.

Analysis of Health Counseling by the Internet - on the Home page of Korean Rheumatology Health Professions Society (인터넷을 이용한 관절염 환자의 건강상담 내용분석 -대한류마티스 건강전문학회 홈페이지를 대상으로-)

  • Lee, Eun-Ok;Lee, Young-Sook
    • Journal of muscle and joint health
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    • v.7 no.1
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    • pp.40-52
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    • 2000
  • Recently with the development in computer technology and its communication system, many changes in medical informatics enable us to use various medical information regardless of time or place. There are many home pages on the web, which provide medical counseling and hospital information. On May 11th 1999, Korean Rheumatology Health Professions Society began its new service as a home page on the web with various rheumatologic health information, questioning/ answering, and so on. This study was undertaken to examine the content and the purpose of health counseling on the web. The data was collected from 173 questioners who visited questioning/ answering site in the KRHPS home page for May 11th, 1999 through November 10th, 1999. Most of the questioners consulted the health problems of their or their families. Over two thirds of them were already diagnosed medically. Rheumatoid arthritis was the most frequent one. Other diseases, such as, osteoarthritis, ankylosing spondylitis, Still's disease were also on the list. Most of the questioners wanted to know treatment strategies, to consult about their symptoms, and to make diagnosis. And many questioners wanted detailed explanations about their diseases or the informations regarding the hospital. These findings suggest that the health counseling on the web may be used to supplement the lack of direct medical interviews with doctors. It also is expected to guide the patients to the right direction.

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Rheumatoid Arthritis and Exercise (류마티스 관절염과 운동)

  • Kim, Eun-Hee;Lim, Nan-Young;Lee, Eun-Ok
    • Journal of muscle and joint health
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    • v.5 no.1
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    • pp.110-119
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    • 1998
  • In an effort to obtain preventive, diagnostic and therpeutic medical and exercise training information of rheumatoid arthritis as well as to provide pertinent data to be used in development of exercise program for the management of rheumatoid arthritis, this study was conducted by using literature review. Because RA is a disease that involves both joints and muscles, its activity in the different functional classes influences the patient's ability to exercise. A patient in Functional Class 1 may perform any type of exercise because the disease involvement has not yet reached major importance. Exceptions may include hard physical exercise, running, and individual racket sports. In almost all cases, bicycle exercise is possible. Patients in Functional Class 2 and a few in Class 3 can perform most types of exercise (especially cycling, walking, heated pool exercise and even jogging) in low activity phases of RA. Although a few patients in Functional Class 3 can walk, jog, and perform similar types of exercise, most persons in this class can swim or exercise on a bicycle if the type of exercise, its intensity, and its range of motion are modified according to the patient's anatomic and pathologic conditions. Most patients in Functional Class 4 are not able to carry out complicated movements. We conclude that physical training for persons with RA has physical, psychological, and social consequences that are clearly beneficial. We recommend training be one part of the many involved in the complicated treatment of RA.

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Effects of Susceptibility to Musculoskeletal Disorder, Social Support, and Environmental Aids on Exercise Adherence Intention among University Students (근골격계 질환에 대한 민감성, 사회적 지지 그리고 환경적 지원이 대학생의 운동지속의도에 미치는 영향)

  • Park, Mi Jeong
    • Journal of muscle and joint health
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    • v.22 no.1
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    • pp.20-29
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    • 2015
  • Purpose: The study was undertaken to investigate effects of susceptibility to musculoskeletal disorder, social support, and environmental aids on exercise adherence intention and to identify factors contributing to exercise adherence intention among university students. Methods: The study was a descriptive study with 277 students from 3 universities. Data were collected from March 5 to May 30, 2014 using a structured self-report questionnaire. Data were analyzed using descriptive statistics, t-test, one-way ANOVA, Pearson correlation coefficients, and Hierarchical multiple regression. Results: The explanatory power of the predictive model involving the demographic factors, susceptibility to musculoskeletal disorder, social support, and environmental aids was 29%, and the subjects' gender, health concern, experience of musculoskeletal injury, regular exercise, and social support were identified as main factors having influence. Conclusion: The results of this study will be helpful in understanding the importance of environmental factors for increasing physical activities and will be used as basic data for development of exercise programs to increase exercise adherence intention for their continuous exercise.

Development of Evidence-based Dysphagia Nursing Care Protocol for Nursing Home Residents (노인요양시설 거주 노인을 위한 한국형 근거기반 연하장애 간호 프로토콜 개발)

  • Bang, Hwal Lan;Park, Yeon-Hwan
    • Journal of muscle and joint health
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    • v.20 no.1
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    • pp.31-42
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    • 2013
  • Purpose: The purpose of this study was to develop an evidence-based dysphagia nursing care protocol for nursing home (NH) residents in Korea. Methods: The protocol was developed based on international guidelines and literatures. After testing content validity by experts, the protocol was applied to the intervention group (n=35) for 4 weeks at one NH in December, 2011, whereas the control group (n=34) received routine care. Results: The protocol was composed of one-page algorithm and detailed guidelines. Algorithm pathway was organized in 3 parts, including screening dysphagia risk, grouping by dysphagia risk level, and assigning nursing care into each group. The nursing care included positioning, oral care, meal time care, diet modification, providing exercise and maneuver, and checking dysphagia signs and symptoms. The experts verified the content validity. Protocol was revised to fit NH practice after the participant observation. Clinical validity was established upon evaluating usefulness, appropriateness, and convenience of the protocol by NH nurses. Dysphagia risk of the intervention group was significantly decreased. Conclusion: Developed protocol will improve the quality of dysphagia care in nursing homes as it can serve as a consistent and integrated standard for nursing care of residents with dysphagia.

DNA-dependent Protein Kinase Mediates V(D)J Recombination via RAG2 Phosphorylation

  • Hah, Young-Sool;Lee, Jung-Hwa;Kim, Deok-Ryong
    • BMB Reports
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    • v.40 no.3
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    • pp.432-438
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    • 2007
  • V(D)J recombination, a site-specific gene rearrangement process occurring during the lymphocyte development, begins with DNA double strand breaks by two recombination activating gene products (RAG1/2) and finishes with the repair process by several proteins including DNA-dependent protein kinase (DNA-PK). In this report, we found that RAG2 was specifically phosphorylated by DNA-PK at the $365^{th}$ serine residue, and this phosphorylated RAG2 affected the V(D)J recombination activity in cells in the GFP expression-based assay. While the V(D)J recombination activity between wild-type RAG2 and mutant S365A RAG2 in the assay using a signal joint substrate was undistinguishable in DNA-PK deficient cells (M059J), the activity with wild-type RAG2 was largely increased in DNA-PK proficient cells (M059K) in comparison with mutant RAG2, suggesting that RAG2 phosphorylation by DNA-PK plays a crucial role in the signal joint formation during V(D)J recombination.

A Predictors of Exercise Participation in Rheumatoid Arthritis Patients (류마티스 관절염 환자의 운동참여 예측요인)

  • Lim, Nan-Young;Yi, Yeo-Jin
    • Journal of muscle and joint health
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    • v.8 no.1
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    • pp.51-64
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    • 2001
  • The purposes of this study were to examine and to predict the affecting factors on exercise participation of Rheumatoid arthritis Patients. The subjects were 161 adult out-patients who visited the hospital for rheumatic disease in H-university. Data were composed of self-reported questionnaire. The conceptual model of this study consisted of that personal characters(age, marriage, education, income), situational characters(pain intensity, fatigue, IADL, depression), behavioral characters(formerly exercise behavior, life-style), and cognitive-perceptional characters(perceived health status, perceived benefit, perceived barrier, perceived self-efficacy) affected directly to exercise participation. Logistic regression analysis was applied for testing model of this study. The results were as follows : 1. Personal characters(education), situational characters(pain intensity), behavioral characters(formerly exercise behavior, life-style), and cognitive characters(perceived barrier, perceived self-efficacy) were significant difference between current exercise participants(127subjects) and non-exercise participants(34). 2. Personal characters(income), situational characters(pain intensity), behavioral characters(life-style), and cognitive-perceptional characters(perceived barrier, perceived self-efficacy) were correlated to exercise participation. 3. Formerly exercise behavior, perceived barrier, and perceived self-efficacy were significant predictor of exercise participation. The logistic equation predicted overall 81.94% of this study subjects 161.

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Reliability and Validity of the Korean Version of Presenteeism Scale for Students (K-PSS) in Nursing Students (간호대학생을 대상으로 한 한국어 버전 학생 프리젠티즘 측정도구(K-PSS)의 신뢰도와 타당도 분석)

  • Kim, Jin Hee;Jeon, Jaehee
    • Journal of muscle and joint health
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    • v.26 no.3
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    • pp.281-289
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    • 2019
  • Purpose: This study aims to develop the Korean version of Presenteeism Scale for Students and verify its reliability and validity. Methods: This study conducted a survey with 320 undergraduate students who are attending nursing departments at three universities. The survey was conducted twice, from June 1 to August 31, 2017. Results: The Cronbach's α of K-PSS was .70 indicating high reliability. As a result of testing the content validity of K-PSS was verified by calculating the Item level-Content Validity Index (I-CVI) of .87. The correlation between Medical Outcome Study 36-item Short Form Health Survey (SF-36) score and Work Impairment Score (WIS), Work Output Score (WOS), Hours of absenteeism (HA) was analyzed to verify the concurrent validity of K-PSS. SF-36 score was correlated with WIS, WOS, HA. To test the differentiated validity of K-PSS, a total of 38 subjects were assessed by the paired t-test. As a result, only WIS score showed a significant difference between pre-test and post-test. Conclusion: Since the reliability and validity of the K-PSS developed through this study have been verified, it is expected to be used in various studies related to the presenteeism of students.