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반복횟수에 따른 저항운동이 등속성 근기능 및 근력에 미치는 영향
신진철(Shin, Jin-Chul),김기홍(Kim, Ki-Hong),고성식(Koo, Seong-Sic),김정훈(Kim, Jung-Hoon) 한국체육과학회 2015 한국체육과학회지 Vol.24 No.4
The present study aimed to compare the effects of an 8-week 10RM squat program 5 sets of repetition maximum and another 5 sets of repetition sub-maximum, on isokinetic muscular strength, muscular power, muscular endurance and the number of repetition. 18 male P. E. majors at D University in Chungnam who had engaged in resistance work-outs for at least 6 months were selected and randomly assigned to an MRG (9) and an SMRG (9). Subjects participated in an 8-week resistance work-out program twice weekly, and performed 5 sets per day with 3-min inter-set breaks. In principle, the performance rate was set at one trial per 2 seconds in line with the resistance work-out intensity. The number of repetition was set based on the performance rate exceeding 2 seconds. The MRG(maximal repetition group) performed 5 sets of 10RM squats, whereas the SMRG(submaximal repetition group) carried out 5 sets of squats repeatedly up to the point of time when the performance rate markedly dropped. The isokinetic muscular functionality following the 8-week resistance work-out program and the number of repetition were analyzed with a 2X2 mixed-design two-way ANOVA. First, no significant inter-group difference was found in the changes of maximal muscular strength in line with the work-out intensity. Yet, both groups’ maximal muscular strength significantly increased following the 8-week training program. Second, no significant difference was found in the changes of muscular power in line with the intensity between the two groups. Still, both showed significant increases in muscular power following the 8-week training program. Third, no significant inter-group difference was found in muscular endurance in line with the work-out intensity. However, muscular endurance significantly increased following the 8-week training program in both groups. Fourth, no significant inter-group difference was found in the number of repetition in line with the work-out intensity, whereas the 8-week training program was found to significantly increase the number of repetition in both groups. Fifth, the number of 10RM increased in 8 weeks in both groups, which however was statistically insignificant. Finally, the 8-week squat resistance training program consisting of repetitions maximum and sub-maximum contributed to improving the isokinetic muscular strength, muscular power, muscular endurance and the number of repetition, exerting homogeneous training effects.
초등학교 학생 수 감소로 인한 미래형 학교공간 설계 관한 연구
신진철(Shin, Jin-Chul),주범(Chu, Beom) 대한건축학회 2021 대한건축학회 학술발표대회 논문집 Vol.41 No.1
In this study, after analyzing the change in the number of elementary school students in Korea due to the low birth rate of the current population, this study investigated the next school space and the curriculum and educational space of the future school. In addition, after researching overseas and domestic cases, a plan is proposed to revitalize the school space. In search of spaces that are not often used in school spaces, a play-centered education for the lower grades, a play-and-rest space, a school ecological playground, AI-customized learning, and more care classes through after-school linkage, and a creative fusion space and AI, as an experience-oriented education for seniors. It is to further improve the space where you can do classes using VR. It is judged that it is necessary to change the form of a high-quality and free school for students rather than the current school form.
IEEE 802.15.4 기반 CSMA/CA 충돌에 대한 실험결과에 근거한 Energy Save에 대한 연구
신진철(Jin Chul Shin),박홍성(Hong Sung Park) 대한전기학회 2007 대한전기학회 학술대회 논문집 Vol.2007 No.4
This paper is seeing as one big cause that reduce Life Time of sensor node become soft if BackOff Time is prolonged in CDMA/CA of competition way that consist at data transmission of each sensor nodes base sensor network environment. So solution method uses GTS, wish to reduce competition Node's, and minimise data transmission delay.
신진철(Jin Chul Shin),김준한(Jun Han Kim),손지영(Ji Young Son),양운호(Woon Ho Yang),이충근(Chung Guen Lee),양원하(Won Ha Yang) 한국생물환경조절학회 2008 한국생물환경조절학회 학술발표논문집 Vol.17 No.1
우리나라에서 수입되는 곡물은 주로 밀, 옥수수, 콩, 및 쌀이며 이들 곡물은 탄수화물, 단백질, 지질이 약 90%를 구성하고 있다. 탄수화물, 단백질 및 지질은 각각 45, 53, 77%가 탄소로 이루어져 있고 이들 곡물은 완전히 소화 이용되면 탄소부분은 전부 탄산가스로 산화 되어 대기 중에 방출되게 된다. 따라서 1톤을 소비하면 탄산가스 1.51톤, 밀은 1톤을 소비하면 1.63톤, 옥수수와 콩은 1톤을 소비하면 1.56톤의 탄산가스를 방출하게 된다. 우리나라는 곡물 자급도가 26%밖에 되지 않으므로 이는 곡물을 수입하는 만큼 외국에서 탄산가스를 수입하게 되는 결과가 되므로 자급도를 높이는 만큼 탄산가스 방출을 줄이는 결과가 된다. 우리나라는 곡물을 수입하므로서 연평균 2150만톤 이상의 탄산가스를 외국으로부터 수입한 결과가 된다.