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首页> 外文期刊>BMC research notes >A pilot study on the importance of forefoot bone length in male 400-m sprinters: is there a key morphological factor for superior long sprint performance?
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A pilot study on the importance of forefoot bone length in male 400-m sprinters: is there a key morphological factor for superior long sprint performance?

机译：对男性400米短跑运动员前足骨长度的重要性进行的一项初步研究：是否有关键的形态学因素可实现出色的长短跑性能？

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Abstract ObjectiveThe main purpose of the present study was to determine the relationship between the forefoot bone length and long sprint performance in well-trained 400-m specialized sprinters. The total lengths of the forefoot bones of the big and second toes in 25 male 400-m sprinters and 25 male non-sprinters were measured using magnetic resonance imaging. The forefoot bones of each toe were totaled to assess overall forefoot bone length and then normalized to the maximum foot length.ResultsThe relative total lengths of the forefoot bones in the big and second toes were significantly longer in 400-m sprinters than in non-sprinters ( P ?0.05 for both). The relative total length of the forefoot bones of the second toe, but not of the big toe, in 400-m sprinters was significantly correlated with personal best 400-m sprint time ( r =???0.441, P =?0.028). These findings demonstrated that longer forefoot bones are related to higher long sprint performance in well-trained 400-m specialized sprinters. Therefore, the present study is the first to determine that morphological factors such as long forefoot bones may play an important role in achieving superior long sprinting performance.
机译：摘要目的本研究的主要目的是确定训练有素的400 m短跑运动员的前脚骨骼长度与长短跑性能之间的关系。使用磁共振成像技术测量了25名男性400米短跑运动员和25名男性非短跑运动员大脚趾和第二脚趾的前脚骨总长度。将每个脚趾的前脚骨合计以评估总体前脚骨长度，然后将其标准化为最大脚长。结果400米短跑运动员的大脚趾和第二个脚趾的前脚骨骼的相对总长度明显比非短跑运动员长（两者均P ＜0.05）。在400米短跑运动员中，第二个脚趾的前脚骨头的相对总长度（而不是大脚趾）的相对总长度与个人最佳400米短跑运动员的时间显着相关（r = ??? 0.441，P =？0.028）。这些发现表明，在训练有素的400米短跑运动员中，较长的前脚骨骼与较高的长距离短跑性能有关。因此，本研究是第一个确定形态因素（例如前掌长骨）可能在获得优异的长短跑成绩中起重要作用的人。

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