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김의영,남승현,김석일,정용우,정천규 龍仁大學校 武道硏究所 1998 武道硏究所誌 Vol.9 No.1
This study investigated participants who have taken part in Hapkido continuously, in view of age, carrier in exercise, and gender and then analysed how these factors affect continuous participation in Hapkido. 1) The significant factors which enable the participants to continue Hapkido were revealed as health/physical fitness(71.67%), enjoyment / interrest (58.13%), self-protetio / guard(48.28%), phychological benefits(20.94%) 2) The factors of continuing Hapkido were different in ages, which showed significant differences in phychological benefits, skill fulfilment / challenge, accomplishment / position, charm, recreational activity. The response represented specifically in one or two areas in case of younger participants. The more aged, it showed relatively even distribution to the various responses due to the broaden span of thoughts. 3) The factors of continuing Hapkido were different in carrier, which showed significant differences in self-protection / grard, skill fulfillment / challenge, accomplishment/ position in different experiences in exercise. By the time of reaching first phase and second phase, it is thought to show the psychological effect of continuing exercise unconsciously in various areas. 4) The factors of continuing Hapkido were not different in gender, which implicated the fact that the overall attitude and thoughts on Hapkido of female participants and male participants are similar.
Cheon Woo Seok,Kim Gyung-Mee,Kim Taekjoong,Lee Jung Goo,Jang Ok-Jin 대한우울조울병학회 2023 우울조울병 Vol.21 No.1
Background: The goal of this study was to confirm the relationship between subjective body shape perception and the depression screening tool Patient Health Questionnaire-9 (PHQ-9) in the geriatric population. Methods: A total of 1,251 subjects were analyzed among adults aged 65 or older who performed the 2020 Korean National Health and Nutrition Examination Survey. The subjective body shape perception was divided into three groups (thin, normal, and obese). Depression screening tool PHQ-9 10 points were employed as a cut-off value. The association between subjective body shape perception and the risk of depression based on the PHQ-9 was first verified by a chi-square test, and then logistic regression analysis was performed along with items expected to influence the relationship. Results: There was a considerable difference between the depression risk and the normal groups in subjective body shape perception, which was classified as thin, normal, and obese. In the final model, the group who thought they were thin had an increased risk of depression compared with the normal group. Dyslipidemia, being female, and not owning a home have all been demonstrated to greatly raise the risk of depression. Conclusion: We verified that subjective body shape was related to the risk of depression through the PHQ-9.
原著 : 근로자들의 심박변이도 검사를 통한 피로도 분석
장우석 ( Woo Seok Jang ),백경민 ( Kyung Min Baek ),전우현 ( Woo Hyun Cheon ),정인권 ( In Kwon Chung ) 대구한의대학교 제한동의학술원 2012 東西醫學 Vol.37 No.2
Objective: This study was designed to analyze the fatigability of workers in the automobile company by Heart Rate Variability (HRV), Method: The subjects consisted of 32,049 workers who had answered about questionnaires of a job position, age, the state of drinking, smoking, exercise and sex, The fatigability was examined by SA3000P, We analyzed the differences of fatigability according to job positions, ages, the state of smoking, drinking, exercise and sex by T-test or ANOVA with SPSS ver17.0, Results Regarding the differences of fatigability among job classes, the fatigability was highest in engineers, lowest in others. Among ages, the fatigability was highest in 20s, lowest in 50s. In smoking, the fatigability was higher in smoking group. In drinking, the fatigability was higher in drinking group. In exercise, the fatigability was higher in non-exercising group. In sex, there was no significant difference. Conclusion: According to these results, we should establish the methods of controlling fatigue from the perspective of Korean traditional medicine.
Glucan-polymerization enzyme as a fusion partner for foreign proteins
Woo Soo Jeong,Jin Young Bae,Dong Ho Seo,Jong Hyun Jung,Dong Hyun Jung,Cheon-Seok Park 한국당과학회 2016 한국당과학회 학술대회 Vol.2016 No.01
Amylosucrase (ASase, EC. 2. 4. 1. 4) forms an insoluble α-1,4-glucan polymer by transferring glucose molecules liberated from sucrose to its appropriate substrates, such as maltooligosaccharides, arbutin, and salicin. It was found that ASase could be attached into the insoluble α-1,4-glucan polymer after its catalytic work was done. In this study, therefore, ASase, a glucan-polymerization enzyme, was employed as a fusion partner for foreign proteins to make the foreign proteins be easily purified. Green fluorescent protein (GFP) and β-glucosidase were used as model fusion partner proteins. ASase-foreign gene cassettes were constructed and transformed into E. coli (BL21 DE3). As a result, it was found that ASase-fusion proteins were easily purified by a simple centrifugation since the majority of ASase-fusion proteins were present in the insoluble glucan polymer. In this study, optimal condition of polymer production was characterized.
Development Trend of Radwaste Characterization Technology for Safe Disposal
Seok-Ju Hwang,YoungHwan Hwang,Cheon-Woo Kim 한국방사성폐기물학회 2022 한국방사성폐기물학회 학술논문요약집 Vol.20 No.2
For the disposal of radioactive waste generated from nuclear power plants, characterization of radioactive waste is essential. For characterization, samples of radioactive waste are directly collected or an indirect method is used through X-ray, etc. Through indirect analysis, which is a non-destructive method, the density, filling height, homogeneity and inter structure of the waste container can be analyzed. Currently, foreign institutions are in the process of developing a technology to perform characterization of radioactive waste through indirect analysis. In particular, research on improving internal image accuracy through image analysis techniques, improving measurement methods and enhancing portability for field application is ongoing. Through the review of such technology development trends, it will be utilized in the development of domestic radioactive waste disposal technolgy.
Woo Sang Hyun,Kim Young Woo,Cheon Ho-Jun,Jang SungHo,Do Jun-Young,Choi Joon Hyuk,Kang Dong Ho,Nam Hyun Jae,Yoo Myung Jae,Lee Young Seok,Choi Jin-Hee 대한의학회 2021 Journal of Korean medical science Vol.36 No.2
Background: On February 2, 2017, the surgical team of ten board-certified hand specialists of W Hospital in Korea successfully performed the nation's first hand transplantation at Yeungnam University Medical Center (YUMC). This paper reports on the legal, financial, and cultural hurdles that were overcome to open the way for hand transplantation and its functional outcomes at 36 months after the operation. Methods: W Hospital formed a memorandum of understanding with Daegu city and YUMC to comply with government regulations regarding hand transplantation. Campaigns were initiated in the media to increase public awareness and understanding. With the city's financial and legal support and the university's medical cooperation, a surgical team performed a left distal forearm hand transplantation from a brain-dead 48-year-old man to a 35-year-old left-handed man. Results: With this successful allotransplantation, the Korean Act on Organ Transplantation has now been amended to include hand transplantation. Korean national health insurance has also begun covering hand transplantation. Functional outcome at 36 months after the operation showed satisfactory progress in both motor and sensory functions. The disabilities of the arm, shoulder, and hand score were 23. The final Hand Transplantation Score was 90 points. Functional brain magnetic resonance imaging shows significant cortical reorganization of the corticospinal tract, and reinnervation of intrinsic muscle is observed. Conclusions: Hand transplantation at the distal forearm shows very satisfactory outcomes in functional, aesthetical, and psychological aspects. Legal and financial barriers against hand transplantation have long been the most burdensome issues. Despite this momentous success, there have been no other clinical applications of vascularized composite allotransplantation due to the limited acceptance by Korean doctors and people. Further public education campaigns for vascularized composite allotransplantation are needed to increase awareness and acceptance.