Lower digit ratios between the lengths of fingers 2 (2D) and 4 (4D) (2D:4D) are associated with superior distance running and athletic performance. We examined relationships between 2D:4D, aerobic fitness, physical skills, and overall physical fitness of elite adolescent boy and girl distance runners.

中文翻译：

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优秀青年长跑运动员的指数比、有氧运动、体能与整体体能的关系

手指 2 (2D) 和 4 (4D) (2D:4D) 的手指长度之间的较低手指比与出色的长跑和运动表现有关。我们研究了优秀青少年长跑运动员的 2D:4D、有氧运动、身体技能和整体身体素质之间的关系。