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RISS 인기검색어
- 검색키워드
- 저자 : 박경실(KyoungShilPark) (검색결과 2 건)
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운동역학 : 높이뛰기 선수들의 5보 도움닫기 리듬에 관한 운동학적 분석
박경실(KyoungShilPark) 한국체육학회 1999 한국체육학회지 Vol.38 No.3
The purpose of this study was to analyze the approach running pattern in the cured path of approach runway of the Fosbury high jump skill to find out kinematic factors influencing to jump height. The subjects of this study were 4 male elite high jumpers in Korea. The analyzed variables in this study were the total time elapsed during 5 strides, stride length, the ground contact time of airborne phases, and radius of curved path. Two video cameras were used to analyze approach running pattern to employ direct linear transformation(DLT) method for three-dimensional position data. The views were digitizing system. The raw data were filtered by the cut-off frequently of 6.0㎐ through a second order Butterworth digital filtering method. The result are as follows: 1. The total time elapsed during 5 step approach run was 1.153 seconds. This time is not related to jumping height, success or failure of trials. 2. The total times elapsed during 5 step approach run of the better players were more consistent than the poorer players. 3. The average ground contact time was 0.146∼0.207 seconds. There were two types that the ground contact time of take-off foot was long or short. 4. Among 4 strides, the lengths and the times of the fourth and second strides. were long while these at the third and first stride were shot 5. The stride lengths were not related to jumping height, success or failure of trials. 6. The type that length and time of the last stride kept short turned out to be better. 7. The rations of the last stride to player`s height were between 95% and 116%. 8. The radii of curved path were between 7.58m and 8.24m.
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규칙적인 운동과, F1,6DP의 투여가 운동수행능력 및 글리코겐 저장에 미치는 영향
신용업(YongUpShin),이종우(JongWooLee),곽한병(HanPyongKwak),박경실(KyoungShilPark),하민수(MinSooHa),박석(SokPark) 한국체육학회 2009 한국체육학회지 Vol.48 No.3
This study investigated effects of regular exercise and F1,6DP on exercise capacity, muscle glycogen, GLUT4 expression and blood insulin in rats. Male Sprague-Dawley rats were randomly assigned to one four groups(n=16); sedentary control group, exercied control group, F1,6DP supplemented group and exercised F1,6DP supplement group. Rats were fed experimental diets supplemented with F1,6DP at the level of 10 mg/kg/day for 4 weeks. Rats of exercised control group and exercised F1,6DP supplement exercised groups performed swimming exercise training at 60 min/day for 4 weeks. Exhaustive swimming time, muscle glycogen concentration, muscle GLUT4 expression and blood insulin release was significantly higher in exercised control group, F1,6DP supplemented group, and exercised F1,6DP supplement group than sedentary control group. These results indicate that regular exercise and F1,6DP appear to be effective in enhancing enduranced exercised performance of rats.
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