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NTIS 바로가기한국운동역학회지 = Korean journal of sport biomechanics, v.24 no.1, 2014년, pp.59 - 66
김태현 (동아대학교 대학원 태권도학과) , 염창홍 (동아대학교 스포츠과학대학 스포츠지도학과)
The purpose of this study was to investigate the effects of knee joint muscle fatigue and overweight on shock absorption during single-leg landing of adult women. Written informed consent forms, which were approved by the human subject research and review committee at Dong-A University, were provide...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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외발 착지 동작은 어떤 위험에 기여하는가? | 착지 시 발생되는 충격은 급성 손상뿐 아니라 하지 관절의 과사용에 따른 상해 유발 가능성을 증가시킨다(James, Dufek, & Bates, 2000; Kellis & Kouvelioti, 2009). 특히 외발 착지 동작은 무릎관절의 비접촉성 전방십자인대 손상 위험에 기여하는 주요한 요인중 하나이며(Pappas, Sheikhzadeh, Hagins, & Nordin, 2007; Yeow, Lee, & Goh, 2011; Mokhtarzadeh et al., 2013), 비접촉성 전방십자인대 손상 중 약 70%는 점프 후 착지 혹은 커팅 동작에서 발생된다(Mokhtarzadeh et al. | |
근 피로의 원인은? | 근 피로는 에너지를 흡수하고 최대 근력을 발생시키는 근섬유의 능력이 과도한 활동에 의해 감소되는 현상으로 정의되며(Kim & Youm, 2013; Bisson, McEwen, Lajoie, & Bilodeau, 2011), 스포츠 상황뿐 아니라 일상생활에서 흔하게 나타나는 현상이다(Kim & Youm, 2013; Ledin, Fransson, & Magnusson, 2004). 그 원인은 근육의 구심성 신경의 방전 패턴 변화와 중앙처리 손상, 원심성 신경 경로의 손상, 근 방추의 정보를 변경시키는 대사산물의 축적 등이 있으며, 근육을 수축하기 위한 모든 과정에서 발생되는 부전의 결과라고 할 수 있다(Bisson et al., 2011; Kim & Youm, 2013). | |
근 피로의 정의는? | 근 피로는 에너지를 흡수하고 최대 근력을 발생시키는 근섬유의 능력이 과도한 활동에 의해 감소되는 현상으로 정의되며(Kim & Youm, 2013; Bisson, McEwen, Lajoie, & Bilodeau, 2011), 스포츠 상황뿐 아니라 일상생활에서 흔하게 나타나는 현상이다(Kim & Youm, 2013; Ledin, Fransson, & Magnusson, 2004). 그 원인은 근육의 구심성 신경의 방전 패턴 변화와 중앙처리 손상, 원심성 신경 경로의 손상, 근 방추의 정보를 변경시키는 대사산물의 축적 등이 있으며, 근육을 수축하기 위한 모든 과정에서 발생되는 부전의 결과라고 할 수 있다(Bisson et al. |
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