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.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2014.10
- 수록면
- 1,575 - 1,586 (12page)
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초록· 키워드
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The purpose of this study is to conduct a comparative analysis on the amount of time used, a kinematic variable, the angle of lower limb segment, and ground reaction forces, a kinetic variable, depending on whether using step or not during Taekwondo dolyeochagi (spin kick) movement. For this study, an experiment was conducted on 5 male Taekwondo players, and the following results were derived from the experiment.
First, the amount of time used for dolyeochagi depending on whether using steps or not showed 0.29±0.03 s, and 0.32±0.03 s respectively for step dolyeochagi and non-step dolyeochagi, and step dolyeochagi was fast in E1 (p<.05). Second, whereas the speed of lower limb segment for dolyeochagi movement depending on whether using steps or not showed no significant difference in thigh, shank, and foot segment ; the speed of thigh segment showed fastest in E2 for step and non-step dolyeochagi. Further, the speed of shank and foot segments showed fastest in E3. Third, for right-left reaction force (Fx) during dolyeochagi movement depending on whether using steps or not, force occurred in a right direction in E1 at both using step and non-step dolyeochagi. Further, for step and non-step dolyeochagi of the supporting foot, whereas force occurred in a left direction in E1, E2, and E4; it occurred in a right direction in E3 which there was no significant difference. Furthermore, for the step and non-step dolyeochagi of the kicking foot in anterior-posterior reaction forces (Fy), force occurred in all directions in E1, and there was no significant difference. Whereas for step and non-step dolyeochagi of the supporting foot, force occurred in all direction in E1; it occurred in a rear direction in E2, E3, and E4, and there was no significant difference. For the average force value of vertical reaction forces(Fz), whereas a big force occurred in non-step dolryeochagi of the kicking foot in E1; it occurred in step dolryeochagi of the supporting foot in E1, E2, E3, and E4, and there was no significant difference.
First, the amount of time used for dolyeochagi depending on whether using steps or not showed 0.29±0.03 s, and 0.32±0.03 s respectively for step dolyeochagi and non-step dolyeochagi, and step dolyeochagi was fast in E1 (p<.05). Second, whereas the speed of lower limb segment for dolyeochagi movement depending on whether using steps or not showed no significant difference in thigh, shank, and foot segment ; the speed of thigh segment showed fastest in E2 for step and non-step dolyeochagi. Further, the speed of shank and foot segments showed fastest in E3. Third, for right-left reaction force (Fx) during dolyeochagi movement depending on whether using steps or not, force occurred in a right direction in E1 at both using step and non-step dolyeochagi. Further, for step and non-step dolyeochagi of the supporting foot, whereas force occurred in a left direction in E1, E2, and E4; it occurred in a right direction in E3 which there was no significant difference. Furthermore, for the step and non-step dolyeochagi of the kicking foot in anterior-posterior reaction forces (Fy), force occurred in all directions in E1, and there was no significant difference. Whereas for step and non-step dolyeochagi of the supporting foot, force occurred in all direction in E1; it occurred in a rear direction in E2, E3, and E4, and there was no significant difference. For the average force value of vertical reaction forces(Fz), whereas a big force occurred in non-step dolryeochagi of the kicking foot in E1; it occurred in step dolryeochagi of the supporting foot in E1, E2, E3, and E4, and there was no significant difference.
목차
Abstract
Ⅰ. 서론
Ⅱ. 연구방법
Ⅲ. 결과 및 논의
Ⅳ. 결론
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UCI(KEPA) : I410-ECN-0101-2015-690-002915192