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특이적 근 조정 운동이 단거리 여자육상선수의 자세안정화 및 하지분절 움직임에 미치는 영향
강민철(Kang, Min-Cheol),전덕형(Jeon, Deok-Hyeong),박정민(Park, Jeong-Min) 한국체육과학회 2021 한국체육과학회지 Vol.30 No.1
This study was to investigate the effects of special strength coordination training posture stability and lower segment movements in female sprinters. In order to achieve the purpose of this study, female sprinters at c and k local, were selected at random and allocated 12 female sprinters each for the Non Exercise group(NEG), Deficient Exercise group(DEG), Over Exercise group(OEG) and measured posture stability and lower segment movements before and after the experiment. The special strength coordination training program for 12 weeks. The results of this study were as follows: First, As a result of analyzing the change of posture stability according to special strength coordination training, OEG was significantly improved compared to NEG and DEG. Second, As a result of analyzing the change of lower segment movements according to special strength coordination training, OEG was significantly improved compared to NEG and DEG. As conclusions, this study confirmed that the special strength coordination training on posture stability and lower segment movements in female sprinters. However, there is a need for more specific exercise programs to be developed for the continual improvement of athletic performance in athletics along with further studies to confirm the physiological benefits of those programs.
데이터베이스를 이용한 웹로봇 기반의 정보필터링 에이전트 시스템
강민철 ( Min-chul Kang ),신석철 ( Seok-cheol Shin ),정태선 ( Tae-sun Chung ) 한국정보처리학회 2008 한국정보처리학회 학술대회논문집 Vol.15 No.2
인터넷은 방대한 정보의 집합체이다. 사용자들은 웹에서 자신이 원하는 정보를 검색하여 사용하고 있다. 하지만 웹은 워낙 방대한 정보를 보유하고 있고 사용자가 원하는 정보가 다양해질수록 이러한 정보를 찾는 것은 어려워질 수 있다. 많은 유저들이 서로 다른 기호를 가지고 있는 만큼, 사용자에 따라 다른 형태의 정보를 제공하는 것이 필요하다. 이러한 형태의 서비스를 제공하기 위해서는 다양한 프로그램들이 상호협력하는 것이 필요하다. 본 논문은 데이터베이스를 활용한 멀티 에이전트 시스템을 통하여 사용자가 원하는 정보를 쉽게 관리하고 찾는 것에 목적을 둔다.
강민철 ( Min Cheol Kang ),곽수환 ( Soo Hwan Kwak ),김창수 ( Chang Soo Kim ) 한국정보시스템학회 2010 情報시스템硏究 Vol.19 No.4
The ubiquitous computing & technology is to make passive IT machinery as the smart-object to solve the problems of information management. These ubiquitous devices can be a concierge of humans lives. In addition, the ubiquitous computing & technology added with Pro-Active processing technology is the intellectual automatic process capacity that probably enhance quality of human`s life. Although the social influencing power of ubiquitous computing technology is so critical, research on the social impact of ubiquitous has been studied insufficiently. And, we also need the countermeasures to protect the societies from the side effect of the ubiquitous computing technology. The purpose of this research is to minimize the loss which comes from the new ubiquitous society, by presenting the technological and systematic alternatives and by researching the various side effects. This research suggests the proper alternatives by reviewing and by researching the adverse effects of the ubiquitous computing technology.
강민철(Min-Cheol Kang),이원우(Won-Woo Lee),오재영(JaeYoung Oh),김현수(Hyun-Soo Kim),이효근(HyoGeun Lee),전유진(You-Jin Jeon) 한국해양바이오학회 2017 한국해양바이오학회지 Vol.9 No.2
Temperature is a major factor that affects the physiochemical properties of compounds. This study focus on the determination of thermostability and the effect of temperature on antioxidant activities of Ecklonia cava (E. cava) ethanoic extract. The ethanoic extracts of E. cava were evaluated at 30˚C, 60˚C and 90˚C for 0 to 7 days. The antioxidant activities were determined by DPPH, hydroxyl radical and hydrogen peroxide scavenging activities. The intracellular reactive oxygen species (ROS) scavenging activity was investigated using DCFH-DA assay. Results revealed that the ethanoic extract of E. cava incubated at different temperatures for 0 to 7 days, showed stable scavenging activities on DPPH, hydroxyl radical and hydrogen peroxide. The ROS scavenging activities of ethanoic extract and ascorbic acid were also investigated. The extract showed a stable ROS scavenging activity from 0 to 7 day at 90˚C. However, the scavenging activity of ascorbic acid at 90˚C decreased starting from day 3. These results indicated that the antioxidant effects of this food grade ethanoic extract of E. cava could remain stable during the employed temperatures of food processing.
용탄단조법에 의해 제조된 Mg-6Al-xZn(x=0 , 1 , 2) 합금의 용체화처리조건 규명
강민철,윤일성,김인배 ( Min Cheol Kang,Il Sung Yoon,In Bae Kim ) 한국열처리공학회 1996 熱處理工學會誌 Vol.9 No.4
This study has been investigated the influence of solid solution treatment on the microstructure of Mg-6Al-xZn(x=0, 1, 2) alloys fabricated by squeeze casting process. The products having clean surface and fine microstructure are fabricated by adopting the liquid metal forging method. The microstructures of as-fabricated state show β(Mg_(17)Al_(12)) precipitates between the dendrite boundaries. It is found that the hardness of the alloys is increased with increasing amount of zinc due to the solid solution hardening effect of zinc. In the changes of microstructure upon solid solution treatment time at 405℃, β phases are dissolved in α matrix up to 1hr and the microstructure are coarsened rapidly after 2hrs. The microhardness are decreased rapidly until lhr of solution treatment time and then stabilized. From the above results, it is concluded that the optimum solid solution treatment condition for Mg-6Al-xZn alloys is at 405℃ for 1hr. The solution treatment time is greatly reduced comparing to conventional casting(at 385∼418℃ for 10∼14hrs) due to the formation of the super-saturated solid solution by liquid metal forging.
전신진동운동이 대학 유도선수의 신체균형능력과 하지분절 안정화에 미치는 영향
강민철(Kang, Min-Cheol),권태형(Kwon, Tae-Hyeong),박정민(Park, Jeong-Min) 한국체육과학회 2020 한국체육과학회지 Vol.29 No.6
This study was to investigate the effects of whole body vibration exercise on body balance stability and lower segment movements in university judo player. In order to achieve the purpose of this study, judo player at Y universict, were selected at random and allocated 14 judo player each for the Non Exercise group(NEG), Deficient Exercise group(DEG), Over Exercise group(OEG) and measured body balance stability and lower segment movements before and after the experiment. The neuromuscular training program for 12 weeks. The results of this study were as follows: First, As a result of analyzing the change of body balance stability according to whole body vibration exercise, OEG was significantly improved compared to NEG and DEG. Second, As a result of analyzing the change of lower segment movements according to whole body vibration exercise, OEG was significantly improved compared to NEG and DEG. As conclusions, this study confirmed that the whole body vibration exercise on body balance stability and lower segment movements in university judo player. However, there is a need for more specific exercise programs to be developed for the continual improvement of athletic performance in athletics along with further studies to confirm the physiological benefits of those programs.
불안전 지면을 이용한 기능성 보행운동이 초등학교 비만아동의 균형능력과 보행능력에 미치는 영향
강민철(Kang Min Cheol),박정민(Park, Jeong Min) 학습자중심교과교육학회 2017 학습자중심교과교육연구 Vol.17 No.23
본 연구는 불안전 지면을 이용한 기능성보행운동이 초등학교 비만아동(EG그룹 /20명, NEG그룹/20명)의 균형능력과 보행능력에 미치는 영향을 알아보기 위하여 그룹별 자세안정성 및 보행능력을 알아보았다. 불안전 지면을 이용한 기능성보행운동 후 균형능력의 변화는 EG 그룹에서 Up, Down, Left, Right에서 통계적으로 유의하 게 증가하였으며, 그룹 간 차이에서는 사후검사에서 Up, Down, Left, Right의 모든 변인에서 통계적으로 유의하게 증가하였다. 불안전 지면을 이용한 기능성보행운동 후 보행능력에 관한 연구에서는 EG 그룹에서 보행속도, 분속수, 보장, 활보장 에서 통계적으로 유의한 차이가 나타났으며, 그룹 간 차이에서는 사후검사에서 보행능력의 보행속도, 분속수, 보장, 활보장의 모든 변인이 통계적으로 유의한 차이가 나타났다. 위의 결과 로 보아, 불안전 지면을 이용한 기능성보행운동이 초등학교 비만아동의 균형능력과 보행능력의 변화에 긍정적인 효과가 있는 것으로 나타났다. This study was to investigate the effects of functional gait exercise for avail oneself of unsafe ground on balance ability and gait ability in the obese elementary students. The participants were divided into two groups: functional gait exercise group (EG,n=20) and non exercise group (NEG, n=20). The EG took part in the functional gait exercise for 12 weeks. The results of this study were as follows: First, As for the balance ability, there were significantly increased in up(U), right(R), down(D), and left(L) in EG compared with NEG after 12 weeks in static and dynamic balance ability. Second, As for the gait ability, there were significantly increased in velocity, cadence, step length and stride length in EG compared with NEG after 12 weeks. As conclusions, this study confirmed that the functional gait exercise program could improve the balance ability and gait ability of obese elementary students.