田径运动员大j甩来甩去 田径 大q(田径甩刀是谁)

您好！田径运动员大j甩来甩去的知识可能还比较薄弱，但是不用担心，今天我将为大家提供一些田径运动员大j甩来甩去的详细资料，希望可以填补大家的知识空白。

1. 跳高要掌握哪些技巧?
2. 请非常详细介绍NBA历史上非常著名的球星
3. 运动会征文100字
4. 全球最伟大的5位田径运动员都是谁？

跳高要掌握哪些技巧?

看你采用什么技术了，量好步点，找好起跨点是第一步，后面就是节奏，摆臂向上积极带动肢体，腿步动作要协调，感觉就是积极向上走的感觉，如果是背越式，一定要打好背躬！ 坚持练习，一定会有收获。 先在横杆中间外侧30厘米左右地方确定起跳点，然后，跑7--8步用力起跳的那一点就是起跳点，然后跳几次，如果起跳点太靠近，则将起跳点向后移动相应距离。如果起跳点太远，则将起跳点向前移动相应距离。经过反复练习，就可以找到适合自己的步点。 背越式的步点采用弧线助跑。先在横杆中间外侧30厘米左右地方确定起跳点，先向右走5步，为a点。然后再向右走6步为b点。再向前走7步为c点。从c-b-a助跑，c-b段为直线助跑，b-a为弧线助跑。经过反复背越式跳高是指背部朝向横杆，身体各部分依次过杆的一种过杆技术。背越式跳高技术是由助跑、起跳、过杆和落地四个阶段组成的。各阶段彼此紧密相连、相互作用。 （一） 助跑 1． 助跑的任务 从背越式跳高的助跑路线可以看到，在助跑开始的前段直线跑，应尽可能大的获得水平速度。在助跑后段的弧线跑应为跑跳创造尽可能大的离心加速度，有助于向横杆方向运动。 2． 助跑的技术要点 开始采用直线助跑，双肩要下垂，用脚前掌着地，跑时具有弹性；提高重心，步幅均匀，不断加速；进入弧线跑时，外侧摆动腿富有弹性地蹬地。为了克服离心加速度的作用，上体应稍向弧线内侧倾斜。前脚掌沿弧线落地，身体重心轨迹向内越出足迹线。助跑的节奏要快，特别是助跑最后两步髋关节前送幅度要大，迈步时上体保持较垂直的姿势，摆动退积极，充分后蹬，起跳腿快速前伸，同时髋部自然前送。助跑过程中两臂应积极有力地前后摆动，弧线跑时外侧手臂摆动幅度应大于内侧手臂的摆动幅度。 （二）起跳 起跳的目地在于使助跑获得的水平速度，迅速转变为垂直向上运动，以使身体充分向上腾起，并为过杆做好准备。起跳动作可分为起跳腿的着地、缓冲和蹬伸三个阶段及摆动腿与双臂的配合。 1． 跳腿的着地、缓冲和蹬伸技术 为加快起跳的速度，起跳腿应大幅度、平稳地以脚掌外侧着地，并迅速从脚跟向前脚掌滚动。这时由于迈步放脚时髋关节的积极快速前送和迅速的弧线助跑而形成了了身体向后、向内的倾斜姿势。在起跳的缓冲阶段，为了提高起跳的速度。还应减小屈膝的幅度，以利于保持水平速度。在这阶段当身体由倾斜转为垂直至身体重心移至起跳腿的上方时，迅速有力地充分蹬直起跳腿的三个关节，躯干在离地前瞬间几乎垂直地立于起跳脚之上。这时起跳腿的蹬伸方向应在身体重心的外侧，从而产生了过杆所必须的旋转冲力。 2．起跳时摆动腿与双臂的协调配合技术 起跳时离横杆较远的一臂使颈地向上摆动，加一臂不要充分摆出，并且较早地制动，这样有利于肩轴倾向横杆。摆动腿的摆动应从屈膝的起跳腿旁开始，以膝盖领先，先屈膝折叠，后跳高架的远端支柱上方用力摆出。当摆动腿摆到起跳腿前方之后应向里转，而小腿和脚要稍许外展。这样的积极动作，有助于使骨盆保持在起跳力量的作用线上，围绕纵轴产生转身动作。此时，头应补偿性地转向横杆。 （三）过杆和落地 过杆就是充分利用起跳获得的腾空时间改变身体姿势，缩短身体重心与横杆之间的距离，并利用身体的屈伸、旋转越过横杆。过杆时，立即屈髋收腹，下颚迅速引向前胸，同时双腿补偿地高举两小腿积极向上甩起。应注意，落地前的收腹举腿，以背先着地，或团身以肩先着地，然后再做一个后滚翻。为了控制腾越方向，头部不能后仰，要注意在落垫过程的"视力监督"，眼睛始终要注视着横杆方向。 二、 学习方法 （一） 学习和掌握起跳技术 1． 地蹬摆练习 站立，一手抓支撑物，起跳腿在前，摆动腿在后，摆动腿向异侧肩的前上方摆动，起跳腿配合充分蹬伸。要求摆腿屈膝折叠并膝内扣，加速摆至最高点，异侧臂配合上摆， 同时拨腰、顶肩，髋部前送并扭转。 2． 步走动起跳练习 站立，起跳腿在后，摆动腿在前，起跳腿向前迈步放脚，摆动腿积极向前摆动。要求沿直径为15~20米的圆圈走动，起跳腿积极主动向前迈步放脚， 并在摆动腿与手臂的有力配合下迅速完成跳腿。 3． 弧线助跑起跳练习 在练习2的基础上分别用1步、2步、3步助跑转体四分之一垂直纵跳，两脚落地。要求蹬摆配合协调一致，动作快速有力，助跑节奏清楚，最后两步和起跳连贯，体会弧线助跑转入起跳时上体由内倾到竖直的垂直用力感觉。双脚落地，是为了使摆动腿努力下沉， 有利于按"桥"型完成过杆动作。此练习可在两个跳高架之间吊拉橡皮筋球，高度宜控制在练习者起后头顶刚好能够触及。

请非常详细介绍NBA历史上非常著名的球星

迈克尔·乔丹（michael jordan），1963年2月17日生于美国纽约布鲁克林，前美国职业篮球运动员，司职得分后卫，绰号“飞人”（air jordan）[1] 。

在1984年nba选秀中[2] ，迈克尔·乔丹在第1轮第3位被芝加哥公牛队选中[2] ，职业生涯曾效力于芝加哥公牛队以及华盛顿奇才队[1] ，新秀赛季当选nba年度最佳新秀[1] 。1986-87赛季，乔丹场均得到37.1分[1] ，首次获得nba得分王称号。[1] 1991-93赛季，乔丹连续当选常规赛mvp以及总决赛mvp[2] （fmvp）[1] ，率领芝加哥公牛队3次夺得nba总冠军[1] 。1993年10月6日因父亲被害而宣布退役[1] ，两年后宣布复出[2] 。1996年入选nba50大巨星[3] 。[1] 1996-98赛季[1] ，乔丹获得个人职业生涯第10个（共10个）[1] nba得分王、第5次（共5次）[1] 常规赛mvp，并再次[1] 率领公牛队3次（共6次）[1] 夺得nba总冠军[1] ，自己当选共第6次总决赛mvp[1] 。1999年1月13日在劳资谈判失败后再次宣布退役[1] ，两年后在华盛顿奇才队再次宣布复出[1] 。迈克尔·乔丹的职业生涯年年入选nba全明星阵容（共14次）[1] 并3次夺得nba全明星mvp[1] ，[2] 10次入选nba最佳阵容一阵[1] ，1985年入选nba最佳阵容二阵[1] ，1988年当选nba年度最佳防守球员，[1] 9次入选nba最佳防守阵容一阵[2] ，3次荣膺nba抢断王[1] ，2次荣获nba全明星扣篮大赛冠军[2] ，1984年以及1992年获得奥运会金牌[2] 。

2003年4月16日，迈克尔·乔丹在职业生涯最后一场奇才主场对阵76人比赛的赛后[2] 正式宣布退役[1] 。他被认为是历史上最伟大的篮球运动员[3] 。2009年9月11日，迈克尔·乔丹入选奈·史密斯篮球名人纪念堂[2] 。

运动会征文100字

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全球最伟大的5位田径运动员都是谁？

他们分别是百米记录保持者牙买加运动员博尔特、110米栏记录保持者中国运动员刘翔、短跑和跳远都非常强的刘易斯、实力非常强劲的布勃卡、长跑运动之王法拉赫。

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