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
- 2023.1
- 수록면
- 191 - 201 (11page)
- DOI
- 10.51979/KSSLS.2023.01.91.191
이용수
초록· 키워드
오류제보하기
Purpose: The purpose of this study is to analyze the effect of the arm swing direction on the jump height during a vertical jump and to suggest an efficient arm swing pattern (ASP).
Method: Ten infrared cameras including two force plates were used to analyze the jumping motion. The subjects of the research were 10 male university students. The experiment task was to jump as high as possible by swinging from front to back, from back to front, and fixing their arms without swinging. A 3D cinematography was performed, and biomechanical variables werea nalyzed by dividing the entire motion period into a braking phase and an accelerating phase to efficiently compare changes at ASP.
Results: Among the three arm swings, the jump height and the verticavle locity increased the most just before the take-off when the arm swung from back to front, antdh e jump height tended to increase with the magnitude of the impulse. However, the duration of the brainkg and accelerating phases, joint angle, torque, and power of the lower extremity did not show any charcateristic results depending on the ASP. The work done by the lower extremity joint also did not show a significant difference in the change of the ASP.
Conclusion: The swing from back to front is the most efficient ASP because it increases jump height and vertical velocity just before take-off. However, other biomechnaical variables do not show a clear difference even when the ASP is changed. In contrast to the hip andn akle joints, the knee joint continued to exhibit eccentric contraction even during the accelerating phase, and this characteristic is evident when the arm is fixed. The decrease in eccentric contraction of the knee joint during the arm swing in the accelerating phase can be positive in that it suppresses energy absorption in the vertical jump.
Method: Ten infrared cameras including two force plates were used to analyze the jumping motion. The subjects of the research were 10 male university students. The experiment task was to jump as high as possible by swinging from front to back, from back to front, and fixing their arms without swinging. A 3D cinematography was performed, and biomechanical variables werea nalyzed by dividing the entire motion period into a braking phase and an accelerating phase to efficiently compare changes at ASP.
Results: Among the three arm swings, the jump height and the verticavle locity increased the most just before the take-off when the arm swung from back to front, antdh e jump height tended to increase with the magnitude of the impulse. However, the duration of the brainkg and accelerating phases, joint angle, torque, and power of the lower extremity did not show any charcateristic results depending on the ASP. The work done by the lower extremity joint also did not show a significant difference in the change of the ASP.
Conclusion: The swing from back to front is the most efficient ASP because it increases jump height and vertical velocity just before take-off. However, other biomechnaical variables do not show a clear difference even when the ASP is changed. In contrast to the hip andn akle joints, the knee joint continued to exhibit eccentric contraction even during the accelerating phase, and this characteristic is evident when the arm is fixed. The decrease in eccentric contraction of the knee joint during the arm swing in the accelerating phase can be positive in that it suppresses energy absorption in the vertical jump.
목차
Ⅰ. 서론
Ⅱ. 연구방법
Ⅲ. 결과
Ⅳ. 논의
Ⅴ. 결론 및 제언
참고문헌
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