搜索结果: 61-75 共查到“知识库 运动训练学”相关记录2200条 . 查询时间(3.689 秒)
采用赛艇实船运动生物力学测试与分析系统,对国家赛艇队11名女子双桨队员进行了递增桨频的运动技术测试,揭示其在单人训练与多人配艇训练中运动技术的差异。研究表明:1)国家赛艇队员在多人配艇训练中低桨频情况下拉桨节奏偏低、高桨频情况下拉桨节奏偏高,不同方式训练时拉桨用力模式差异较大,这在一定程度上反映了训练时运动技术的不稳定性,会很大程度上降低拉桨效率。2)下降系数过高是引起桨角-桨力曲线后弧不饱满的原...
运动表现分析的发展及展望
竞赛与训练 运动表现分析 综述
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2017/8/14
采用文献计量学的方法,对运动表现分析的历史、主要教材和主要期刊论文刊载情况进行简要的概述。结果显示运动表现分析于20世纪70—80年代开始在运动科学领域站稳脚跟,90年代后期至今则进入了高速平稳发展期。作为一个学科门类,运动表现分析拥有较为完善的学科体系和人才培养机制,同时拥有权威的教材和广泛的教师与学生群体基础。作为一个科研领域,运动表现分析拥有庞大的、逐步增长的论文、研究者数量和被引用次数,但...
乒乓球赛场的视觉变革
乒乓球 器材场地 视觉革命
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2016/8/30
作为乒乓球运动的核心,乒乓球赛场一直是乒乓球视觉展示的焦点。本文从体育场地视觉角度论及了乒乓球场地变革的主要内容及其衍变、发展的历史过程。通过深入分析借鉴视觉革命在体育比赛的特殊作用及运用,探讨了乒乓球运动传播的困境及乒乓球视觉转向的科技动因,并从微观视角就我国乒乓球器材生产商红双喜公司近10年来乒乓球场地器材的变革为例,对乒乓球场地的视觉革命与乒乓球运动的传播的互动关系进行了多角度透析,理顺二者...
美国男子职业篮球联赛赛程预告的可视化设计
NBA 可视化 用户体验 传播
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2016/8/30
以美国男子职业篮球联赛(National Basketball Association,下简称NBA)的赛程预告为研究对象,重点研究如何在网络媒体上对其进行可视化设计。分析信息可视化在NBA赛程预告中的应用和现状,阐述从用户的角度看待赛程预告可视化的作用,可视化设计的内容,并以2016赛季NBA季后赛勇士队vs火箭队赛程预告为样板,阐述如何在比赛看点、胜负预测、实力分析3个方面进行可视化设计。
从原始荷尔蒙主义到现代法学体系:足球的世俗理性
足球 原始荷尔蒙主义 现代法系 世俗理性
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2016/8/30
足球在1863年之后全面崛起,成为全世界知名度最高的竞技项目,与其内在的品质分不开。现代足球保留了血性化的成色,却强化了其外在的法学价值,两者的合力构成了一种优质的游戏品格,成为值得全人类纪念的一种超体育的文化形态。从生物学、游戏学和人类学的角度看,追逐球类或在球类的翻滚状态中嬉戏是人和诸多动物的共通的本能。足球在传播的过程中营造出数不胜数的传奇、传说和故事,足球史学家们将其归结为一种集束性的理论...
自行车骑行效率的影响因素研究进展
自行车 骑行效率
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2016/8/30
自行车骑行效率通常被定义为自行车骑行过程中一定氧耗和能耗水平下的功率输出,自行车骑行能力的增强,多伴随骑行效率的提高。性别、年龄、骨骼肌纤维类型的差异会对骑行效率产生不同影响;而自行车骑行过程中踏蹬技术、身体姿态,甚至运动器材的变化,则可通过改变踏蹬过程中骨骼肌发力和能耗影响骑行效率;专业自行车运动员的骑行效率与训练强度呈正相关关系,阶段性的肌力或专项训练可能通过提高做功和能量节省化促进骑行效率的...
法国竞技体育后备人才培养策略
法国 竞技体育 后备人才 培养体系
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2016/8/30
主要采用文献资料法,对法国竞技体育后备人才的培养理念、培养体制、培养方式进行了分析和探讨,得出法国竞技体育后备人才培养体系的3个特征,即“教育为本”的培养理念,“政府与社会相结合”的管理体制,“从学校到精英”的培养方式。
Immediate Effects of Aerobic Exercise on Plasma/Serum Zinc Levels: A Meta-analysis
ZINC AEROBIC EXERCISE PRESCRIPTION TRAINING CHRONIC DISEASE
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2017/4/13
Background: Zinc is involved in numerous metabolic roles, including energy metabolism, immunity, and antioxidative effects. Zinc losses during exercise, in particular through sweat, are well documente...
Risk Factors for Knee Injuries in Children 8 to 15 Years: The CHAMPS Study DK
KNEE INJURIES CHILDREN RISK FACTORS YOUTH SPORTS
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2017/4/13
Introduction: Knee injuries are frequent in children, with most studies reporting traumatic knee injuries. Evidence of risk factors for knee injuries in children is sparse. The purpose of this study w...
Quantitative Model of Sustained Physical Task Duration at Varying Altitudes
HYPOXIA HYPOBARIC HYPOXIA ALGORITHM ENDURANCE PERFORMANCE
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2017/4/13
Purpose: The objective of this study is to develop a quantitative model that can be used before ascent to altitude (ALT) to predict how much longer a sustained physical task would take for unacclimati...
Reliability of the Determination of the Ventilatory Threshold in Patients with COPD
V-SLOPE VENTILATORY EQUIVALENT EXERCISE TESTING
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2017/4/13
Purpose: The purpose of this study was to determine the interobserver reliability of the assessment of the ventilatory threshold (VT) using two methods in patients with chronic obstructive pulmonary d...
< Previous Article Next Article > Endurance Training Attenuates Catabolic Signals Induced by TNF- in Muscle of Mice
EXERCISE INFLAMMATION UBIQUITIN-PROTEASOME PATHWAY
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2017/4/13
Purpose: To determine whether endurance training attenuates the negative effects induced by an acute injection of tumor necrosis factor-α (TNF-α) in skeletal muscle of mice.
Methods: Trained (6 wk of...
Aerobic Exercise Training and Arterial Changes in African Americans versus Caucasians
EXERCISE TRAINING RACE AND ETHNICITY ARTERIAL FUNCTION
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2017/4/13
African Americans (AA) have increased carotid artery intima-media thickness and decreased vascular function compared with their Caucasian (CA) peers. Aerobic exercise prevents and potentially reverses...
Acute Strength Training Increases Responses to Stimulation of Corticospinal Axons
BICEPS BRACHII CERVICOMEDULLARY-EVOKED POTENTIAL ELBOW FLEXORS
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2017/4/13
Purpose: Acute strength training of forearm muscles increases resting twitch forces from motor cortex stimulation. It is unclear if such effects are spinal in origin and if they also occur with traini...
Effect of Plyometrics on the Energy Cost of Running and MHC and Titin Isoforms
RUNNING ECONOMY RUNNING PERFORMANCE MUSCLE FIBER TYPE
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2017/4/13
Several training strategies such as plyometrics have been shown to improve running economy; however, its physiological basis remains elusive.
Purpose: To examine the effect of plyometric training on ...