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논문 기본 정보

자료유형
학술저널
저자정보
신제민 (상명대학교)
저널정보
한국사회체육학회 한국사회체육학회지 한국사회체육학회지 제71호
발행연도
2018.2
수록면
527 - 537 (11page)
DOI
10.51979/KSSLS.2018.02.71.527

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초록· 키워드

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The purpose of the study is to investigate the changes in lower extremities to attenuate an impact force by landing heights and foot strike patterns during drop landing. Twelve male university students were instructed to perform drop landing tasks from 30 to 60cm heights using forefoot strike landing (FFL) and midfoot strike landing (MFL). Force plates and motion capture system were used to obtain kinematic and kinetic data. Landing phase duration showed an increase only at MFL for 30cm height whereas peak ground reaction force caused an increase at MFL and 60cm height, respectively. Both kinematic and kinetic variables displayed a general increase with an increment in landing heights. With regard to foot stride patterns, the angles in knee and hip joints at MFL increased at an initial contact as well as the lowest height of the body’s mass center while the angle in an ankle joint at FFL grew only at an initial contact. An upward change in the peak angular velocity of ankles was observed at FFL and that of knee and hip joints was found at MFL. In terms of the mean extension moment of hip and knee joint and the mean plantar flexion moment of ankle joint and the mean negative power of three joints, the present study also found that hip and knee joint showed an increase at MFL, whereas ankle joint showed an increase at FFL. In conclusion, the FFL produces the stronger eccentric power by increasing angle and angular velocity of ankle joint, replacing that of hip and knee joints for attenuating the ground reaction force.

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Ⅰ. 서론
Ⅱ. 연구방법
Ⅲ. 결과
Ⅳ. 논의
V. 결론 및 제언
참고문헌
ABSTRACT

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UCI(KEPA) : I410-ECN-0101-2018-692-001800698