지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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초록· 키워드
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The purpose of this study was to investigate the effects of joint kinetics and coordination on within-individual differences in maximum vertical jump. 10 male subjects aged 20 to 30 performed six trials in maximum vertical jump and with based on jump height the good(GP) and bad(BP) performances for each subject were compared on joint kinetics of lower extremity and coordination parameters such as joint reverse and relative phase. The results showed that maximum moment, power, and work done of hip joint and maximum moment of ankle joint in GP were significantly higher than that in the BP but no significant differences for the knee joint. We could observe a significant difference in joint reverse timing between both conditions. And also the relative phase on ankle-knee and ankle-hip in GP were significantly lower than that in the BP, which means that in GP joint movements were more in-phase synchronized mode. In conclusion, mechanical outputs of hip and ankle joints had an effect on within-individual differences in vertical jump and the inter-joint coordination and coordination including sequence and timing of joint motion also might be high influential factors on the performances within individual.
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참고문헌 (33)
참고문헌 신청
Anderson, M. A. / 1991 / The relationships among isometric, isotonic, and isokinetic concentric and eccentric quadriceps and hamstring force and three components of athletic performance / Journal of Orthopaedic & Sports Physical Therapy 14(3):114~120
Anderson, F. C. / 1993 / Storage and utilization of elastic strain energy during jumping / Journal of Biomechanics 26(12):1413~1427
Aragon-Vargas, L. / 1997 / Kinesiological factors in vertical jump performance : Differences Among individuals / Journal of Applied Biomechanics 13(1):24~44
Aragon-Vargas, L. / 1997 / Kinesiological factors in vertical jump performance : Differences Within individuals / Journal of Applied Biomechanics 13(1):45~65
Bell, A. L. / 1990 / A comparison of the accuracy of several hip center location prediction methods / Journal of Biomechanics 23(6):617~621
Anderson, F. C. / 1993 / Storage and utilization of elastic strain energy during jumping / Journal of Biomechanics 26(12):1413~1427
Aragon-Vargas, L. / 1997 / Kinesiological factors in vertical jump performance : Differences Among individuals / Journal of Applied Biomechanics 13(1):24~44
Aragon-Vargas, L. / 1997 / Kinesiological factors in vertical jump performance : Differences Within individuals / Journal of Applied Biomechanics 13(1):45~65
Bell, A. L. / 1990 / A comparison of the accuracy of several hip center location prediction methods / Journal of Biomechanics 23(6):617~621
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