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김주혁,장성동,김영준 東亞大學校附設스포츠科學硏究所 2001 스포츠科學硏究論文集 Vol.19 No.-
The purpose of this study was to investigate the change of immune reaction in moderate intensity training in young males. To achieve the purpose, Six healthy young males(Age:24.3±1.23yr) were recruited for this study. Exercise training consisted of a standardized 12-wk moderate intensity running program(60%HRmax, 3day/wks and 50min/day) performed in the laboratory on a computer-controlled treadmill. Pre- and post-training blood samples were obtain before and after completion of a maximal exercise test on the treadmill. The results of this was obtained as follows: In resting monocyte and eosinophil were no significantly difference between 12weeks pre- and post- running training. Monocyte and eosinophil of post maximal exercise were no significantly difference between 12weeks pre- and post- running training. NK cell were significantly increased after maximal exercise than rest. NK cell were significantly difference to rest and after maximal exercise in pre- and post- running training.
배성완,강주혁,문주흠 목포대학교 스포츠산업 연구소 2006 스포츠 산업연구소 논문집 Vol.5 No.-
The purpose of this research is to work out the injury time, injury place, injury part, cause of injury, medical treatment, preventions against weight throwers at national physical education high schools and management and protection of them and advance of competence. As a result of questioning total 148 persons of shot putters (M20, F17), discus throwers(M21, F20), javelin throwers(M22, F20) and hammer throwers(M18, F10) who are registered at the Korean Amateur Athletic Federation, we come to the following conclusions. 1. As a result of comparison and analysis of the training programme where weight throwers were frequently injured by the event, the meaningful difference was obtained. Javelin throwers were injured most frequently while throwing training. 2. As a result of comparison and analysis of the meaningful difference of part which injury happened most frequently while throwers trained usually, the meaningful difference was obtained. Javelin throwers’ elbow injury was very frequent. 3. As a result of comparison and analysis of most frequently injured part by the event while weight throwing, the meaningful difference was obtained. Discus throwers’ waists were mostly injured while throwing. 4. As a result of comparison and analysis of frequently injured part by the event while weigh throwing training, the meaningful difference was obtained. Injury in waist part happened more frequently in rotary motion event than rectilineal motion event while weight throwing. 5. As a result of comparison and analysis of the event that throwers were injured frequently by sex while weight training, the meaningful difference was obtained. Women weight throwers were injured while jump squat training. 6. As a result of comparison and analysis of treatment period after injury by sex, the meaningful difference was obtained. It took women 4 weeks more to cure up and it was not short. 7. That difference that keep in mind method that can protect Shanghai when saw as exercise injury experience according to comparative analysis result by item appeared and rectilineal movement item selected most by method that mental power can protect Shanghai both item beam egg number It Eotda. 8. As a result of comparison and analysis of the season when thrower were injured frequently by experience, the meaningful difference was obtained. Throwers with below 1-4 year experience were injured frequently in summer. 9. As a result of comparison and analysis of the training time when weight throwers were injured frequently by result, the meaningful difference was obtained. Weight throwers who have never won the prize were injured frequently while training in the afternoon. 10. As a result of comparison and analysis of throwing motion when weight throwers were injured frequently by experience while throwing training, the meaningful difference was obtained. Throwers with below 1-4 year experience were injured frequently on waist twisting motion in the finish motion.
김영준,김복주,김주혁 東亞大學校 附設 스포츠科學硏究所 1993 스포츠科學硏究論文集 Vol.11 No.-
The purpose of this study was to elucidate the left ventricular hypertrophy of the rowers and non-athletes. Left ventricular dimensions measured by 2-dimension echocardiography. For the subjects this experiment, 10 rowers(Age : 19.9) and 7 non-athlets(Age : 23.1) were choson from collage. The conclusion obstained were as follows. Rowers demanstrated significantly greater left ventricular end-diastolic and systolic dimensions(LVDD and LVSD) compared to non-athletes, but LVDD/S and LVSD/S did not differ significantly to non-athletes(s : body surface area) In rowers, this was due to increase left ventricular septum(end-systolic and diastolic) and posterior wall thickness(end-systolic and diastolic) compared to non-athletes. Rowers demonstrated significantly greater left ventricular mass compared to non-athletes(268.9g vs 135.7g).
장성동,이은희,홍명엽,문성진,김주혁,이윤관,김영준 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.1
This study is purposed to analyse the effects of long-term & one-time 10km running exercise from bone metabolic marker change on bone metabolism. 7 male members(18.6±1.08) from a marathon club were subjected to the study. They were allowed to do long-term 10 km running training once a week for 6 months. And bone metabolism mark was determined according to the respective times : before/after 6 months training, before/after 10 km race, one day after the race, 3 days after the race. The examination items of bone metabolism mark were serum calcium, phosphorus, paratyroid hormone, osteocalcin, calcitonin, alkaline phosphatase in blood and calcium, phosphorus, deoxypyridinolin in urine. The results of study were as follows; 1) There was no change in deoxypyridinolin and alkaline phosphatase but there was significant change in calcitonin, paratyroid hormone and osteocalcin(p<.01). 2) There was no change of Calcium in serum and urine but there was significant change of phosphorus in blood(p<.01). To make a conclusion, it is determined that long-term 10 km running at low intensity and low frequency tends to restrict bone metabolism circulation, but exercise at a little high level activates bone metabolism into building up bones and absorbing bones and finally shows up high bone metabolism circulation, which is inferred to have an effective influence on bone health. It is considered there is a possibility that different exercise intensity, even same kind of exercise, influences on bone metabolism sdifferently.
A Study on the North Korean Attack Drone Paradigm Analysis
Ju-Hyeok Lee,Se-Lim Cho,Se-In Park,Won-Seong Park,Soon-Young Kwon 사단법인 국제융복합연구원 2024 International Journal of Convergence Vol.1 No.1
Recently, drones have been utilized as significant assets, particularly as attack drones, in major conflicts worldwide, and there appears to be ample potential for their evolution as game-changers in the future. Meanwhile, considering the increasing provocations by North Korea involving the use of unmanned aerial vehicles in recent times, the emergence of attack drones on the Korean Peninsula seems imminent. Furthermore, the threat posed by North Korean attack drones in the major wars of the 21st century is expanding its scope. These attack drones are expected to conduct multi-domain operations and represent an absolute threat to our military in the face of various challenges. Ultimately, as the threat of North Korean attack drones continues to grow, it is hoped that there will be active follow-up research on response strategies and utilization methods for our military.