Muscle actions are typically divided into 3 categories:concentric,isometric,and eccentric.An active muscle that is shortening and produces positive mechanical work is said to work concentrically;an active muscle that...Muscle actions are typically divided into 3 categories:concentric,isometric,and eccentric.An active muscle that is shortening and produces positive mechanical work is said to work concentrically;an active muscle that is not changing its length,and thus does not produce net work,is said to work isometrically;and an active muscle that is elongated by external forces,and thus absorbs work,or produces negative work,is said to work eccentrically.展开更多
Performance enhancement is considered an essential part of sport.1 However,in the world of competitive and high-performance sports,there is increasing evidence of a high prevalence of performance-enhancing drug abuse....Performance enhancement is considered an essential part of sport.1 However,in the world of competitive and high-performance sports,there is increasing evidence of a high prevalence of performance-enhancing drug abuse.2-4 The use of drugsthat is,banned substances-has become a serious problem with significant social,ethical,policy,and personal consequences,5-7and consequently compromises the integrity of sports and sportsmanship at all levels of competition,as well as the health and well-being of individual athletes and public health in general.展开更多
华盛顿大学健康科学转化研究院是获得美国国立卫生研究院-临床与转化科学基金项目(National Institutes of Health-Clinical and Translational Science Award,NIH-CTSA)最先资助的12家转化医学研究机构之一,也是唯一协同美国5个行政州...华盛顿大学健康科学转化研究院是获得美国国立卫生研究院-临床与转化科学基金项目(National Institutes of Health-Clinical and Translational Science Award,NIH-CTSA)最先资助的12家转化医学研究机构之一,也是唯一协同美国5个行政州健康科学与转化医学的研究院。华盛顿大学健康科学转化研究院将转化科学的宏观理念定位于健康科学,将转化研究的实践定位于精准医学。华盛顿大学健康科学转化研究院的顶层设计与规划参照了著名的波音公司线性流程方案,而转化研究院的最终目标则是为推动并且服务于美国高科技、最为密集、少数民族最集中的5个行政州,即华盛顿州、怀俄明州、阿拉斯加州、蒙大拿州和爱达荷州的健康科学与转化医学研究的实践。展开更多
文摘Muscle actions are typically divided into 3 categories:concentric,isometric,and eccentric.An active muscle that is shortening and produces positive mechanical work is said to work concentrically;an active muscle that is not changing its length,and thus does not produce net work,is said to work isometrically;and an active muscle that is elongated by external forces,and thus absorbs work,or produces negative work,is said to work eccentrically.
文摘Performance enhancement is considered an essential part of sport.1 However,in the world of competitive and high-performance sports,there is increasing evidence of a high prevalence of performance-enhancing drug abuse.2-4 The use of drugsthat is,banned substances-has become a serious problem with significant social,ethical,policy,and personal consequences,5-7and consequently compromises the integrity of sports and sportsmanship at all levels of competition,as well as the health and well-being of individual athletes and public health in general.
文摘华盛顿大学健康科学转化研究院是获得美国国立卫生研究院-临床与转化科学基金项目(National Institutes of Health-Clinical and Translational Science Award,NIH-CTSA)最先资助的12家转化医学研究机构之一,也是唯一协同美国5个行政州健康科学与转化医学的研究院。华盛顿大学健康科学转化研究院将转化科学的宏观理念定位于健康科学,将转化研究的实践定位于精准医学。华盛顿大学健康科学转化研究院的顶层设计与规划参照了著名的波音公司线性流程方案,而转化研究院的最终目标则是为推动并且服务于美国高科技、最为密集、少数民族最集中的5个行政州,即华盛顿州、怀俄明州、阿拉斯加州、蒙大拿州和爱达荷州的健康科学与转化医学研究的实践。