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    June 14

    BLOG 0029

    蛙泳:

    简单易学,节省体力。

    臂部动作: 

      1、外划。双手前伸,手掌倾斜大约45度(小拇指朝上)。双手同时向外、后方划,继而屈臂向后、向下方划。 

      2、内划。掌心由外转向内,手带动小 臂加速内划,手由下向上并在胸前并拢(手高肘低、肘在肩下),前伸。 

      3、前伸。双手向前伸(肘关节伸直)。 

    腿部动作: 
      1.收腿:屈膝收腿,脚跟向臀部靠拢,小腿要躲在大腿后面慢收腿,这样可以减少阻力。收腿结束时,两膝与肩同宽,小腿与水面垂直,脚牚在水面附近。 
      2,翻脚:两脚距离大于两膝距离,两脚外翻,脚尖朝外,脚牚朝天,小腿和脚内侧对准水,像英文字母“W”。 
      3.夹蹬水:实际上是腿伸直的过程(屈髋、伸膝),由腰腹和大腿同时发力,以小腿和脚内侧同时蹬夹水,先是向外、向后、向下,然后是向内、向上方蹬水,就像画半个圆圈。 向外蹬水和向内夹水是连续完成的,也就是连蹬带夹。蹬夹水完成时双腿并拢伸直,双脚内转,脚尖相对。蹬水的速度不要过猛,要由慢到快地加速蹬水,两条腿将 近伸直并拢的时候蹬水速度最快。 
      4.停:双腿并拢伸直后在一个短暂的滑行(1-2秒)。 

    Comments (4)

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    然 然wrote:
    搞快往外面倒点出来
    June 18
    long xiawrote:
    你在搞什么?
    June 18
    Hao Wuwrote:
    脑壳进水咯。。
    June 17
    然 然wrote:
    你在想啥子喃?
    June 15

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