Pitch release speed predictors for division I collegiate baseball players

IF 0.6 4区 医学 Q4 ENGINEERING, BIOMEDICAL Isokinetics and Exercise Science Pub Date : 2023-02-09 DOI:10.3233/ies-220133
Zach Farrel, A. Cocco, E. Dichiara, Paul C. Jones, B. C. Skutnik, Ryan L. Crotin, Ernie Rimer, P. Ivey, J. Caruso
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Abstract

BACKGROUND: Analytics, to quantify baseball pitch metrics, take on many forms and are unlike earlier methods to assess performance. OBJECTIVE: Quantify associations of flight kinematic and anthropometric variables on pitch release speed. METHODS: Male college-age pitchers (n= 182) from 2021 Division I games provided data. A 3D radar system collected data. Fixed effects regression OLS models analyzed data for sliders, changeups, curveballs, and fastballs. RESULTS: Spin rate (r= 0.017–0.514, p< 0.05) and vertical break (r= 0.374–0.703, p< 0.05) were positively associated with pitch release speed per pitch type. Release height (r=-0.286–0.051, p<-0.05) and pitch extension (r=-0.176–0.43, p< 0.05) were negatively associated with pitch release speed per pitch type except sliders. Spin axis had a negative association with pitch release speed for fastballs (r=-0.235, p< 0.05) and sliders (r=-0.311, p< 0.05), and a positive association (r= 0.029, p< 0.05) with curveball pitch release speed. Weight only related to pitch release speed for fastballs (r=-0.315, p< 0.05). Height did not impact pitch release speed. CONCLUSIONS: Results refute long-held beliefs of anthropometry’s influence on performance and instead reveal flight kinematics’ impact on baseball pitch release speed.
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一级大学棒球运动员投球释放速度预测指标
背景:分析,量化棒球球场指标,采取多种形式,不同于早期的方法来评估表现。目的:量化飞行运动学和人体测量变量与俯仰释放速度的关系。方法:来自2021年甲级联赛的男性大学年龄投手(n= 182)提供了数据。一个三维雷达系统收集数据。固定效应回归OLS模型分析了滑球、变速球、曲线球和快速球的数据。结果:旋转速率(r= 0.017 ~ 0.514, p< 0.05)和垂直断裂(r= 0.374 ~ 0.703, p< 0.05)与每节距类型的节距释放速度呈正相关。释放高度(r=-0.286 ~ 0.051, p<-0.05)和节距延伸(r=-0.176 ~ 0.43, p< 0.05)与除滑块外各节距类型的节距释放速度呈负相关。自旋轴与快速球(r=-0.235, p< 0.05)和滑球(r=-0.311, p< 0.05)的俯仰释放速度呈负相关,与曲线球的俯仰释放速度呈正相关(r= 0.029, p< 0.05)。重量只与快速球的投球释放速度有关(r=-0.315, p< 0.05)。高度不影响俯仰释放速度。结论:研究结果反驳了长期以来关于人体测量对运动表现影响的观点,而是揭示了飞行运动学对棒球投球释放速度的影响。
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来源期刊
Isokinetics and Exercise Science
Isokinetics and Exercise Science 医学-工程:生物医学
CiteScore
1.20
自引率
14.30%
发文量
37
审稿时长
>12 weeks
期刊介绍: Isokinetics and Exercise Science (IES) is an international journal devoted to the study of theoretical and applied aspects of human muscle performance. Since isokinetic dynamometry constitutes the major tool in this area, the journal takes a particular interest in exploring the considerable potential of this technology. IES publishes studies associated with the methodology of muscle performance especially with respect to the issues of reproducibility and validity of testing, description of normal and pathological mechanical parameters which are derivable from muscle testing, applications in basic research topics such as motor learning paradigms and electromyography. The journal also publishes studies on applications in clinical settings and technical aspects of the various measurement systems employed in human muscle performance research. The journal welcomes submissions in the form of research papers, reviews, case studies and technical reports from professionals in the fields of sports medicine, orthopaedic and neurological rehabilitation and exercise physiology.
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