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특이적 코어 밸런스 트레이닝이 남자 고등학교 배구선수들의 등속성 근기능에 미치는 영향
한동엽(Dong Yup Han),김광찬(Kwang Chan Kim),현광석(Kwang Seok Hyun) 한국사회체육학회 2011 한국사회체육학회지 Vol.0 No.46
The purpose of this study was to investigate the effects of core-balance training designed to prevent sports injuries and to enhance physical fitness for high school volleyball players. A total of 16 high school volley players (experimental : 8, control : 8) were participated in this study. All data for this study were analyzed using an Analysis of Variance in a 2 (condition : exercise and control) * 2 (time : pre and post) factorial design. A significant F ratio and all comparisons were made at the p<0.05 level of significance. The results indicated that there was not a significant difference in body composition (p<0.05) whether the subjects were participated in the core-balance program or not. For the peak torque of knees, the change was a significant. There was a significant difference in the peak torque of the lumbar by groups (p<0.05). It was concluded that the trained subjects showed significantly higher the peak torque of the knee and lumbar that the untrained subjects. The increase in the strength of the knee and lumbar could be results of increasing physical fitness enhanced by the core-balance program.
시각장애청소년의 Cycle Ergometer 운동시 환기역치와 근피로도 분석
한동엽(Dong Yup Han),서태범(Tae Beom Seo),이동희(Dong Hee Lee),변광섭(Kwang Sub Byun),정일규(Il Gue Jeong),이희혁(Hee Hyuk Lee),지용석(Yong Seok Jee),윤진환(Jin Hwan Yoon) 한국사회체육학회 2009 한국사회체육학회지 Vol.0 No.38
This study aims to investigate levels of physical strength, including ventilatory threshold and muscle fatigue, in an adolescent with blindness using cycle ergometer. The participants were composed of an adolescents with or without the blindness (n=15). 30 subjects performed grade maximal exercise tests(GXT) in cycle ergometer. Surface EMG data taken from quadriceps muscles during exercise on cycle ergometer. The frequency components of the surface EMG power spectrum were analyzed using MPF and IEMG. The statistical procedures used to the analysis were unpaired t-test. The results showed that exercise time, VO2max and ventilatory threshold were significantly decreased in the group with blindness compared to the normal group. Also there were significant differences to MPF (mean power frequency) and IEMG values of musculus vastus lateralis and musculus vastus medialis between two groups. In conclusion, our data suggest that increased physical fitness by aerobic exercise is one of the most effective methods to enhance quality of life in an adolescent with blindness.
최대운동 후 정리운동 프로그램이 젖산 회복율 및 근력에 미치는 영향
전종귀,한동엽 忠南大學校體育科學硏究所 2002 體育科學硏究誌 Vol.20 No.1
This study was to nuderstand the effect of cooling down after maximal exercise on the lactic of the blood, and the muscular strength. To achieve this purpose, nine athletes of Chung-Nam university were selected as doners. Blood was gathered form each doner at six times, in resting, after maximal exercise, after recovery times(3, 5, 15, 30 minute). The strength was measured after 30minutes maximal exercise. The results were as follow: 1) Lactic acid of the blood Significant differences was appeared at the 15minute and 30minute recovery phase. Also, them were significant in the recovery ration by the three different Cooling down maximal exercise. 2) Strength Measured strength after maximal exercise (at the 30minute) did not appeared significantly.