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걷기 운동이 중년여성의 대사증후군 위험인자와 혈청 싸이토카인에 미치는 영향
한태경(Tae-Kyung Han),조진경(Jin-Kyung Cho),강현식(Hyun-Sik Kang) 한국생활환경학회 2011 한국생활환경학회지 Vol.18 No.1
The purposes of this study was to investigate the effects of 20 week aerobic exercise training on metabolic syndrome risk factors and serum cytokine in meddle-aged women. A total of 45 meddle-aged women, who were apparently healthy and not taking any medications affecting blood pressure, blood lipids, and blood glucose, participated in this study. Body fatness including body mass index, percent body fat, and waist circumference were measured by using the standardized protocols. Resting blood pressures were also measured in duplicate, of which mean values were used for data analysis. Fasting blood samples were collected for the assessments of triglycerides, high-density lipoprotein cholesterol, glucose, and cytokines. The subjects were randomly assigned to either normal group (n = 15) or obesity group (BMI > 25.0, n = 15) or obesity + metabolic syndrome group (n = 15) having three or more on metabolic syndrome risk factors based on the NCEP ATP-Ⅲ criteria. All the subjects voluntarily participated in a 5 months of walking exercise program (65% VO₂max, 3 day/week). Two way mixed ANOVA tests showed significant time by group interactions in changed triglycerides, TNF-α, and IL-6 such that either obesity or obesity + MS groups had significantly higher improvements following the walking exercise programs. In addition, most of metabolic risk factors were significantly improved in all the groups. In summary, the findings of the current study show that walking exercise at a moderate intensity is a safe and effective means of improving metabolic risk factors and serum cytokines related to metabolic syndrome including adiponectin, TNF-α, and IL-6.
10주간의 줄넘기 운동 프로그램이 초등학생의 기초체력, 혈중 지질 및 운동 습관에 미치는 영향
한태경(Tae Kyung Han),이형록(Hyung Rock Lee) 한국체육측정평가학회 2014 한국체육측정평가학회지 Vol.16 No.2
본 연구는 초등학생들의 줄넘기 운동 프로그램 참여에 따른 기초체력, 혈중지질, 운동습관에 미치는 변화를 비교·분석하고자 하였다. 총 322명의 초등학생을 대상으로 주 3회, 10주간 줄넘기 운동 프로그램을 실시하였으며, 최대심박 수의 45~65%로 시작하여 점진적으로 65~75%, 그리고 75~85%까지 운동강도를 점진적으로 증가시켰으며, 운동 프로 그램 이외의 생활은 평소와 동일하게 지내도록 하였다. 프로그램 참여에 따른 변화는 기초체력(심폐체력, 유연성, 근 력, 순발력), 혈액변인(총콜레스테롤, 중성지방, 저밀도 콜레스테롤, 고밀도 콜레스테롤), 그리고 생활습관(주당 운동 횟 수, TV나 컴퓨터 이용시간, 평균 운동시간 등)을 조사하였다. 프로그램 참여 전과 후에 따른 변화는 반복측정 이원변 량분석을 실시하였으며, 운동습관 변화에 대한 집단 간 전후의 변수의 차이는 교차분석을 실시하였다. 결과적으로 10 주간의 줄넘기 운동 프로그램 참여는 심폐체력의 기초체력 향상과 총 콜레스테롤, 중성지방, 그리고 저밀도지단백 콜 레스테롤의 유의한 개선 효과가 있었으며, 운동습관의 개선효과는 나타나지 않았다. 따라서 초등학생들의 줄넘기 운동 프로그램은 초등학생들의 건강한 생활을 위한 효과적인 운동프로그램으로 도움이 될 수 있을 것으로 판단된다. The purpose of this study was to determine the assessment of rope-skipping exercise training for the basal physical fitness, blood lipid profiles and exercise habits in elementary school children. The subjects were 322 children of the fifth to sixth grades of elementary school. Exercise group performed the combined rope-jumping training for 60 minutes/time, 3 days/week and 1st : 45~65%, 2nd : 65~75%, 3rd : 75~85% HRmax intensity for 10 weeks, whereas control group were asked to maintain normal lifestyle during the same period. Measuring materials were basal physical fitness(cardiorespiratory endurance, flexibility, muscular strength, and agility); blood lipid profiles(total cholesterol [TC], triglyceride [TG], low density lipoprotein cholesterol [LDL-C], and high density lipoprotein cholesterol [HDL-C]); and exercise habits (activity days per week, time using TV and computer, average exercise time per day, etc). The results showed positive changes in basal physical fitness(cardiorespiratory endurance, flexibility, muscular strength, and agility) and blood lipid profiles(TC, TG, and LDL-C) following 10 weeks of rope-skipping exercise training. However, all-life habits had not changed. These results suggest that rope-skipping exercise training may be effective for helping elementary school children.
한태경 ( Han Tae-kyoung ),이은진 ( Lee Eun-jin ),장극관 ( Chang Kug-kwan ),채흥석 ( Chae Heung-suk ) 한국구조물진단유지관리공학회 2008 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.12 No.1
With the domestic condition of construction environment, masonry is continually used, as in the form of various walls such as unreinforced masonry wall, masonry infilled wall, reinforced masonry wall, etc. However, there is no domestic code about the masonry infilled wall, so that it is easily ignored when designing structures. Through many studies, it has been proved that the structural performance is enhanced by using the infilled wall. The brick and block, which are used as the masonry unit, are made into the products in the form of rectangular types. However, if you utilize the hexagon type which has the most formal stability, you can save the material of units, so that it is not only economic but acquires the structural stability in its form. This study was to compare the performances of between the infilled walls which used the existing rectangular block and the hexagon block. In order to check out the contribution of the infilled wall, the analytical study of the frame without wall and the frames which used the rectangular block wall and the hexagon block wall as the infilled wall was carried out. In analysis, the failure behavior of infilled wall was presupposed as equivalent diagonal strut compression failure, and the hysteretic behavior was expressed using the Bouc-Wen model. The analysis result was that the infilled frame with rectangular block showed the enhancement of stiffness by 40% and of strength by 30% compared to the frame without wall; the infilled frame with hexagonal block showed the enhancement of stiffness by 80% and of strength by 37% compared to the frame without wall.