The novel coronavirus (SARS-Cov-2) delayed the Tokyo 2020 Games. The traveling by air, rail, road, and sea inside and outside the countries has stopped to contain the virus. The amount of money lost and assistance nee...The novel coronavirus (SARS-Cov-2) delayed the Tokyo 2020 Games. The traveling by air, rail, road, and sea inside and outside the countries has stopped to contain the virus. The amount of money lost and assistance needed to reschedule and conduct the Games in 2021 have been estimated. With more than one billion population is under the semi-locked down and movement of people is restricted, athletes cannot prepare at home and participate in the Games. The COVID-19 outbreak has spread around the world;it has already infected 5.7 million people and caused 355,000 deaths reported on May 28, 2020 and the figures increasing every day. The publication of this article is important as the postponement of the Olympics has costed Japan $6 billion and the organizers have worked very hard for seven years. If the Games are conducted in 2021, it will be the—beginning of the world recovery—from big COVID-19 pandemic. In this communication, the development in testing, treatment, and vaccine preparation for SARS-Cov-2 have occurred so far in different countries and companies have been discussed to know the possibilities if the pandemic can be overcome and the Games can be conducted in 2021.展开更多
运球手递手掩护(Dribble Hand Off,以下简称DHO)战术已成为三人篮球比赛中的主要战术。本研究从发动特征、配合特征及终结特征3个维度构建分析框架,并以此对东京2020奥运会女子三人篮球4强赛中DHO战术的运用特征进行分析,结果表明:(1)DH...运球手递手掩护(Dribble Hand Off,以下简称DHO)战术已成为三人篮球比赛中的主要战术。本研究从发动特征、配合特征及终结特征3个维度构建分析框架,并以此对东京2020奥运会女子三人篮球4强赛中DHO战术的运用特征进行分析,结果表明:(1)DHO战术已成为各队主要战术,具备突然性强、延续性好、欺骗性强及得分效率高等优势;(2)DHO战术在比赛时间的各个阶段分布均匀,较多在进攻时间0-4秒时于侧高位和内高位发动,切入人直接上篮、切入人2分投篮、连续掩护、传切成为主要的得分方式,战术使用率、战术成功率、投篮命中率均较高;(3)针对DHO战术,各队采取了延误和影子防守等策略,DHO战术则借助连续掩护、加快配合速度及两名外线队员直接配合等进行应对。展开更多
2020年东京奥运会和残奥会临近,各国备战已经到了白热化阶段。东道主日本究竟是如何备战2020奥运会和残奥会已经成为热门话题。本文的主要目的是通过访问和收集相关资料掌握日本备战奥运会的最新动态。研究发现,日本制定了要取得30枚金...2020年东京奥运会和残奥会临近,各国备战已经到了白热化阶段。东道主日本究竟是如何备战2020奥运会和残奥会已经成为热门话题。本文的主要目的是通过访问和收集相关资料掌握日本备战奥运会的最新动态。研究发现,日本制定了要取得30枚金牌的计划,为了备战2020年东京奥运会和残奥会日本体育协会启动了新的“Japan Rising Star Project(J-STAR计划)”项目,该项目着重挖掘培养新生力量,2017年度和2018年度一共挖掘了107名重点培养对象。另外,从强化战略支援系统方面Japan Institute of Sport Science(JISS)实施了身体检测、训练指导、心理、营养、动作分析、比赛分析、视频动画技术、信息技术8项支援项目,充分运用和发挥了体育医科学的作用,有效地提高了运动员竞技能力水平。展开更多
文摘The novel coronavirus (SARS-Cov-2) delayed the Tokyo 2020 Games. The traveling by air, rail, road, and sea inside and outside the countries has stopped to contain the virus. The amount of money lost and assistance needed to reschedule and conduct the Games in 2021 have been estimated. With more than one billion population is under the semi-locked down and movement of people is restricted, athletes cannot prepare at home and participate in the Games. The COVID-19 outbreak has spread around the world;it has already infected 5.7 million people and caused 355,000 deaths reported on May 28, 2020 and the figures increasing every day. The publication of this article is important as the postponement of the Olympics has costed Japan $6 billion and the organizers have worked very hard for seven years. If the Games are conducted in 2021, it will be the—beginning of the world recovery—from big COVID-19 pandemic. In this communication, the development in testing, treatment, and vaccine preparation for SARS-Cov-2 have occurred so far in different countries and companies have been discussed to know the possibilities if the pandemic can be overcome and the Games can be conducted in 2021.
文摘运球手递手掩护(Dribble Hand Off,以下简称DHO)战术已成为三人篮球比赛中的主要战术。本研究从发动特征、配合特征及终结特征3个维度构建分析框架,并以此对东京2020奥运会女子三人篮球4强赛中DHO战术的运用特征进行分析,结果表明:(1)DHO战术已成为各队主要战术,具备突然性强、延续性好、欺骗性强及得分效率高等优势;(2)DHO战术在比赛时间的各个阶段分布均匀,较多在进攻时间0-4秒时于侧高位和内高位发动,切入人直接上篮、切入人2分投篮、连续掩护、传切成为主要的得分方式,战术使用率、战术成功率、投篮命中率均较高;(3)针对DHO战术,各队采取了延误和影子防守等策略,DHO战术则借助连续掩护、加快配合速度及两名外线队员直接配合等进行应对。
文摘2020年东京奥运会和残奥会临近,各国备战已经到了白热化阶段。东道主日本究竟是如何备战2020奥运会和残奥会已经成为热门话题。本文的主要目的是通过访问和收集相关资料掌握日本备战奥运会的最新动态。研究发现,日本制定了要取得30枚金牌的计划,为了备战2020年东京奥运会和残奥会日本体育协会启动了新的“Japan Rising Star Project(J-STAR计划)”项目,该项目着重挖掘培养新生力量,2017年度和2018年度一共挖掘了107名重点培养对象。另外,从强化战略支援系统方面Japan Institute of Sport Science(JISS)实施了身体检测、训练指导、心理、营养、动作分析、比赛分析、视频动画技术、信息技术8项支援项目,充分运用和发挥了体育医科学的作用,有效地提高了运动员竞技能力水平。
