北京白癜风的权威专家 http://m.39.net/pf/bdfyy/bdfzj/骑行游乐，开心生活凯蒂·莱德基（KatieLedecky），美国游泳运动员。被世界泳坛誉为“天才少女”。女子米、米、米自由泳世界纪录保持者。毫无疑问，莱德基是一台世界级的有氧机器。游泳中的耗氧量是很难测试的，所以我们通过她和对手的对比来认识她的强大之处。莱德基的划水效率是可以精确测量的，也是我们的学习重点。···································································································································································································································1.莱德基的划水效率要明显高于她的对手。在米自由泳比赛中，莱德基每50米的划水为38下（strokesperlengthSPL），比其他任何对手都要高效，比银牌得主JessicaAshwood少了7下。身高是划水长度的决定性因素，如果假设划水效率相等，身高cm的Ashwood每50米的划水应当只比身高cm的莱德基多1到2下。2.莱德基的划水效率有着难以置信的连续性。在米的比赛中，她在百分之九十的时间都保持着38下的SPL。而在米的比赛中，她的SPL为39，只比在米比赛中的SPL高了1下，每百米的配速却快了4秒。····································································································································3.在压力之下，莱德基的划水变得更长了！在米的比赛中，莱德基在最后50米才取得领先，而在最后50米的划水却比之前的50米减小了两次。相比之下，第二名FedericaPellegrini（身高cm）的SPL从42增加到了45，铜牌得主MissyFranklin（身高cm）的SPL从40增加到了43。"她游得像男人。我从来没有见过像她那样的女子游泳运动员，她训练中居然赢了我，让我楞在那里不知道怎么发生了什么事。她从我身边飞过。我只能楞在那里。"(罗切特评）
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