드롭랜딩 시 높이 변화에 따른 인체 분절의 충격흡수 전략에 관한 연구
분야
예체능 > 체육학
저자
조준행 ( Joon Haeng Cho ) , 고영철 ( Young Chul Koh ) , 이대연 ( Dae Yeon Lee ) , 김경훈 ( Kyoung Hun Kim )
발행기관
한국운동역학회
간행물정보
한국운동역학회지 2012년, 제22권 제3호, 315~324페이지(총10페이지)
파일형식
0k401440.pdf [무료 PDF 뷰어 다운로드]
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    영문초록
    The purpose of current study was to investigate the effects of the heights on the lower extremities, torso and neck segments for energy dissipation during single-leg drop landing from different heights. Twenty eight young healthy male subjects(age: 23.21±1.66 yr, height: 176.03±4.22 cm, weight: 68.93±5.36 kg) were participated in this study. The subjects performed the single-leg drop landing from the various height(30, 45 & 60 cm). Force plates and motion-capture system were used to capture ground reaction force and kinematics data, respectively. The results were as follows. First, the ROM at the ankle, knee, hip and trunk was increased with the increased heights but the ROM at the neck was increased in the 60cm. Second, the angular velocity, moment and eccentric work at the ankle, knee, hip, trunk, and neck was increased with the increased heights. Third, the contribution to total work at the knee joint was not significantly different, while the ankle joint rate was decreased and hip and neck rate was increased in the 60cm, and trunk rate was increased with the increased heights. Lastly, the increase in landing height was able to augment the level of energy dissipation not only at the lower extremities but also at the trunk and neck. The findings showed that drop landing affect trunk and neck with lower extremity joints. Therefore, we need to consider that trunk and neck strengthening including stability should be added to reduce sports injury during prevention training.
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