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김기진,안횡균,정동식,윤성원,김재호,정태윤,이용우,김철석 대한스포츠의학회 1993 대한스포츠의학회지 Vol.11 No.1
This study was performed to present the processing of determination of detailed cycle event for the novice cyclist through the analysis of physical and physiological characteristics. Subjects were composed o f4 teenaged cyclists. Analysis was composed of the physical characteristics, physical fitness, and physiological factors. The physiological factors were inculded aerobic capacity, anaerobic capacity, lactate tolerance, muscle fiber composition, and isokinetic muscle function. Aerobic capacity was assessed by the maximal oxygen uptake, ventilation threshold, lactate threshold, recovery rate of total work output, peak power output, mean power output, fatigue index, moving distance, peak revolution, and peak value of blood lactate concentration during 10sec, 30sec and 60sec supramaximal exercise on the bicycle ergometer. Lactate tolerance was assessed throughout the specific protocol. Following a supramaximal exercise with the intensity of 130% VO_2max, the secondary maximal exercise was performed after 5min interval. In this condition, duration of exercise, and peak value and recovery rate of blood lactate concentration were assessed. Muscle fiber composition was analysed the percentage of type Ⅰ, type Ⅱa, Ⅱb and Ⅱc in vastus lateralis. Isokinetic muscle function was assessed throughout the Cybex test on extension and flexion of knee joint. In conclusion, the results of this investigation indicate that subject KHI and KDH can be characterized as possessing a genceric character of sprint, subject JHS has a generic