Ficklin Travis, Dapena Jesus, Brunfeldt Alexander
Biomechanics Laboratory, University of Northern Iowa, Cedar Falls, IA 50614, USA.
Department of Kinesiology, Indiana University, Bloomington, IN 47401, USA.
J Sport Health Sci. 2016 Sep;5(3):361-367. doi: 10.1016/j.jshs.2015.03.008. Epub 2015 Jun 12.
The purpose of this study was to compare 4 techniques for arrival at a base after sprinting maximally to reach it: sliding head-first, sliding feet-first, running through the base without slowing, and stopping on the base. A secondary purpose of the study was to determine any advantage there may be to diving into first base to arrive sooner than running through the base.
Two high-definition video cameras were used to capture 3-dimensional kinematics of sliding techniques of 9 intercollegiate baseball players. Another video camera was used to time runs from first base to second in 4 counterbalanced conditions: running through the base, sliding head-first, sliding feet-first, and running to a stop. Mathematical modeling was used to simulate diving to first base such that the slide would begin when the hand touches the base.
Based upon overall results, the quickest way to the base is by running through it, followed by head-first, feet-first, and running to a stop.
There was a non-significant trend toward an advantage for diving into first base over running through it, but more research is needed, and even if the advantage is real, the risks of executing this technique probably outweigh the miniscule gain.
本研究的目的是比较在全力冲刺后到达垒位的四种技术：头先着地滑行、脚先着地滑行、不减速跑过垒位以及在垒位上停下。本研究的第二个目的是确定相较于跑过一垒，滑入一垒是否能更快到达从而具有优势。
使用两台高清摄像机捕捉9名大学棒球运动员滑行技术的三维运动学数据。另一台摄像机用于记录在四种平衡条件下从一垒到二垒的跑步时间：跑过垒位、头先着地滑行、脚先着地滑行以及跑到停下。使用数学模型模拟滑入一垒，使得当手触碰到垒位时开始滑行。
基于总体结果，到达垒位最快的方式是跑过垒位，其次是头先着地滑行、脚先着地滑行以及跑到停下。
相较于跑过一垒，滑入一垒存在优势，但差异不显著，仍需更多研究，即便这种优势确实存在，执行该技术的风险可能也会超过极小的收益。
