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운동생리학: 고등학교 태권도 선수와 일반 학생의 무릅관절 등속성 근력에 관한 비교 연구
장완성(WanSungJang),장명재(MyungJaeJang),최현희(HyunHeeChoi),이상민(SangMinYi),이택현(TaeckHyunLee),성기석(KiSukSung) 한국체육학회 2002 한국체육학회지 Vol.41 No.5
The Korean martial sports of full-contact taekwondo has become increasingly popular among adults and children alike. In the present study, isokinetic characteristics of hamstring and quadriceps high school taekwondo athletes ware investigated using Cybex NORM. Twenty four volunteers, who twelve high school taekwondo athletes and twelve high school non athletes were participated. Knee extension and flexion were assessed at angular velocities of 60, 80 and 240 degrees/sec. Taekwondo athletes`s peak torques were significantly higher than those of non athletes in flexion at all angular velocity and left knee extension at 60 degrees/sec. Average power of taekwondo athletes were significantly higher than those of non athletes in flexion at all angular velocity. Average power percent body weight of taekwondo athletes were significantly higher than those of non athletes in flexion at all angular velocity and extension at 60 degrees/sec. Flexor/Extensor ratio of taekwondo athletes were significantly higher than those of normal student in both of flexion and extension at all angular velocity. Angle of peak torque of taekwondo athletes were significantly higher than those of non athletes in right flexion at 180 and 240 degrees/sec. Base on the results of present study, it is suggested that taekwondo athletes must strengthening their extensor for preventing injuries and progressing performance.
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