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정민기,Jung, Min-ki 한국해양전략연구소 2023 해양안보 Vol.6 No.1
This study aims to review Russia's annexation of Crimea from a maritime security perspective. Based on a comprehensive analysis of Russia's national security perception, this study analyzed Russia's maritime security strategy and the security importance of the Black Sea and the Sea of Azov, and reviewed the annexation of Crimea from a maritime security perspective. The main argument of this study is as follows. Russia's annexation of Crimea was necessary for the successful fulfillment of Russia's maritime security strategy in the Black and Azov Seas. Russia's annexation of Crimea guarantees the activities of the Black Sea Fleet militarily from a maritime security point of view, secures a passage to the Atlantic Ocean to counter NATO's expansion. From a economic security point of view, Russia's annexation of Crimea was based on the strategic considerations to secure influence within the Black Sea economic bloc which guarantees stable production and transportation of natural resources and shipping.
태권도와 세라밴드 운동이 근육감소증 고령 여성의 근육량과 자립생활체력 및 마이오카인에 미치는 영향
정민기(Jeong, Min-Ki),정현훈(Jung, Hyun-Hun) 한국체육과학회 2019 한국체육과학회지 Vol.28 No.6
The present study is aimed at investigating the effects of Taekwondo and thera-band exercise on muscle mass and self-reliance physical fitness and myokines in sarcopenia elderly women. The Taekwondo and lower limb muscle strength exercise consisted of program 60min/session, 3 days each per week for 12 weeks. The results were as follows. First, in body composition and blood pressure, body weight(p=.015), percent body fat((p=.002), systolic blood pressure(p=.047), diastolic blood pressure (p=.002) had a statistically significant. Second, in self-reliance physical fitness and sarcopenia factor, repeated chair stand(p=.023), open-eyes one-legged standing(p=.006), sit and reach(p=.001), gait speed (p=.000), ASMI(p=.001) had a statistically significant. Third, blood variables and myokines, glucose (p=.000), triglyceride-glucose index(p=.003), IL-6(p=.001), IL-8(p=.000), IL-15(p=.001) had a statistically significant. In conclusion, these findings suggest that Taekwondo and thera-band exercise may represent an effective intervention strategy for body composition and self-reliance physical fitness and myokines in sarcopenia elderly women.
태권도와 하지근력 운동이 전노쇠 고령여성들의 신체기능과 하지근력 및 보행기능에 미치는 영향
정민기(Jeong, Min-Ki),정현훈(Jung, Hyun-Hun),류제광(Ryu, Je-Kwang) 한국체육과학회 2019 한국체육과학회지 Vol.28 No.5
The purpose of this study was to investigate the effects of Taekwondo and lower limb muscle strength exercise on physical function, lower limb muscle strength and gait function in pre-frailty women. The Taekwondo and lower limb muscle strength exercise consisted of program 90min/session, 3 days each per week for 12 weeks. The results were as follows. First, in body composition and blood pressure, waist circumference(p=.026), hip circumference(p=.000), Muscle mass(p=.000), Lean body mass(p=.000) and Systolic blood pressure(p=.013) had a statistically significant. Second, physical function and lower limb muscle strength, standing balance(p=.000), gait speed(p=.008), five chair standing time(p=.018), SPPB(p=.000), TUG(p=.002) and lower limb muscle strength(p=.005) had a statistically significant. Third, gait function, cadence(p=.003) and gait speed(p=.003) had a statistically significant. In conclusion, these findings suggest that Taekwondo and lower limb muscle strength exercise may represent an effective intervention strategy for body composition and physical function and gait function in pre-frailty elderly women.
걷기교실 참여가 과체중 여아의 신체활동량과 신체기능 및 보행기능에 미치는 영향
정민기(Jeong, Min-Ki),류제광(Ryu, Je-Kwang),정현훈(Jung, Hyun-Hoon),권유찬(Kwon, Yoo-Chan) 한국체육과학회 2016 한국체육과학회지 Vol.25 No.6
The purpose of this study was to investigate the effects of walking calss participation on physical activity and physical function and gait function in overweight girl. Sixteen overweight girl were assigned in walking calss group(n=8), and control group(n=8). The exercise program consisted of walking class program 60min/session, 3 days each week for 12 weeks. The results of this study were as follow: In body composition, weight(p<.01), body mass index(p<.01), percent fat(p<.01), and lean body mass(p<.05) had a statistically significant differences between the two groups. In daily physical activity and physical function and gait function, step count(p<.01), MVPA(p<.01), lower limb muscle strength(p<.05), maximal gait speed(p<.05), stance phase duration(p<.05), and Swing phase duration(p<.05) had a statistically significant differences between the two groups. These findings suggest that walking class program may represent an effective intervention strategy for body composition and daily physical activity and physical function and gait function. Finally, the effect of longer-term modifications of walking exercise program on regular physical activity.
실버태권도 프로그램이 제2형 당뇨병 비만 고령여성의 자립생활체력과 우울 및 당뇨 인자에 미치는 영향
정민기(Jeong, Min-Ki),정현훈(Jung, Hyun-Hun) 한국체육과학회 2020 한국체육과학회지 Vol.29 No.1
The purpose of this study was to investigate the effects of silver Taekwondo program on self-reliance physical fitness, depressive symptoms and diabetes factor in obese elderly women with type 2 diabetes. Eighteen obese elderly women with type 2 diabetes were assigned in silver Taekwondo group (n=9), and control group (n=9). The silver Taekwondo program consisted of program 60min/session, 3 days each week for 16 weeks. The results of this study were as follow: 1. In body composition and self-reliance physical fitness, body weight(F=9.931, p<.01), % fat (F=10.256, p<.01), body mass index(F=9.689, p<.01), lean body mass(F=18.296, p<.01), muscle mass(F=38.741, p<.001), 2-minute step(F=21.684, p<.001), back scratch(F=10.893, p<.01), chair sit and reach(F=24.474, p<.001), arm curl(F=34.087, p<.001), and chair stand(F=42.557, p<.001) had a statistically significant. 2. In depressive symptoms and diabetes factor, CES-D(F=64.692, p<.001), insulin(F=16.945, p<.01), fasting blood glucose(F=30.858, p<.001), HbA1c(F=10.055, p<.01), triglyceride(F=17.593, p<.01), and total cholesterol(F=8.885, p<.01) had a statistically significant. These findings suggest that silver Taekwondo program may represent an effective intervention strategy for improving self-reliance physical fitness and depressive symptoms and diabetes factor in obese elderly women with type 2 diabetes.
장기간의 태권체조와 복합운동이 폐경기 비만 여성의 건강관련체력과 신체활동량 및 우울에 미치는 영향
정민기(Jeong, Min-Ki),류제광(Ryu, Je-Kwang),정현훈(Jung, Hyun-Hun),김윤환(Kim, Yun-Hwan),박상갑(Park, Sang-Kab) 한국체육과학회 2018 한국체육과학회지 Vol.27 No.6
The purpose of this study was to investigate the effects of Taekwondo aerobic and combined exercise program on health-related physical fitness and physical activity and depression scale in menopausal obesity women. Seventeen menopausal obesity women were assigned in exercise group (n=8), and control group (n=9). The exercise program consisted of Taekwondo aerobic and combined exercise program 90min/session, 3 days each week for 24 weeks. The results of this study were as follow: In body composition and blood pressure, Weight(p<.01), Body mass index(p<.01), Percent body fat(p<.01), Waist circumference(p<.001), Hip circumference(p<.001) had a statistically significant. In health related physical fitness and daily physical activity and depression scale, Grip strength(p<.05), Cross-sit-up(p<.01), 20m shuttle run(p<.01), Step count(p<.05), MVPA(p<.01), CES-D(p<.001) had a statistically significant. These findings suggest that Taekwondo aerobic and combined exercise program may represent an effective intervention strategy for health-related physical fitness and daily physical activity and depression.
12주간의 복합운동이 대사증후군 중년여성들의 신체조성과 건강체력 및 동맥경화지수에 미치는 영향
정현훈(Jung, Hyun-Hun),정민기(Jeong, Min-Ki) 한국체육과학회 2019 한국체육과학회지 Vol.28 No.4
The purpose of this study was to investigate the effects of combined exercise on body composition, health-related physical fitness and atherogenic index in middle-aged women with metabolic syndrome. The combined exercise consisted of aerobic and resistance exercise program 70min/session, 3 days each per week for 12 weeks. The results were as follows. First, in body composition, Weight(p<.001), BMI(p<.001), % Fat(p<.05), and BMR(p<.05) had a statistically significant. Second, health-related physical fitness, Left grip strength(p<.01), Right grip strength(p<.01), 20m run(p<.05), Sit and reach(p<.01), 10m run(p<.05), and Standing jump(p<.01) had a statistically significant. Third, atherogenic risk factor, SBP(p<.01), DBP(p<.05), TC(p<.01), AI(p<.001), Waist circumference(p<.01), HDL-C(p<.01), TG(p<.001), and Glucose(p<.01) had a statistically significant. In conclusion, these findings suggest that combined exercise may represent an effective intervention strategy for body composition and health-related physical fitness and atherogenic index in middle-aged women with metabolic syndrome.
복합운동이 중년여성의 건강관련체력 및 혈액변인에 미치는 영향
정현훈(Jung, Hyun-Hun),박상갑(Park, Sang-Kab),김윤환(Kim, Yun-Hwan),정민기(Jeong, Min-Ki),민도겸(Min, Do-Kyum),류제광(Ryu, Je-Kwang) 한국체육과학회 2018 한국체육과학회지 Vol.27 No.6
The purpose of this study was to determine the effects of combined exercise for 12 weeks on health related physical fitness, blood factors in middle aged women. The subject for the study were 26 middle aged women with volunteer, over 42 years old, divided into the exercise program group (n=13) and control group (n=13). All subjects were evaluated pre and post-test. Combined exercise was performed 60 minutes a day, 3 times per week for 12 weeks. The test data were analyzed by paired t-test and two-way ANOVA, and the alpha level of p<.05 was set for all tests of significance. The result of combined exercise improved the left·right hand grip strength, curl ups, 20m PACER, Sit and reach, 10m shuttle run and Stand long jump, with prevented the decrease in body weight, BMI, SBP and increase in BMR at middle aged women. Combined exercise also have a positive effects in all the blood factors. Therefore, the 12 weeks of combined exercise could be beneficial to improve body composition, health-related physical fitness and blood variables in middle aged women.