Mechanical Determinants of Sprinting and Change of Direction in Elite Female Field Hockey Players

Abstract

Profile determination in field hockey is critical to determining athletes' physical strengths and weaknesses, and is key in planning, programming, and monitoring training. This study pursued two primary objectives: (i) to provide descriptive data on sprinting, deceleration, and change of direction (COD) abilities and (ii) to elucidate the mechanical variables that influence sprint and COD performance in elite female field hockey players. Using radar and time-gate technology, we assessed performance and mechanical data from 30 m sprinting, deceleration, and COD tests for 26 elite female hockey players. A machine learning approach identified mechanical variables related to sprint and COD performance. Our findings offer a framework for athlete categorization and the design of performance-enhancing training strategies at the international level. Two pivotal mechanical variables-relative maximum horizontal force (F0) and maximum velocity (Vmax)-predominantly influence the times across all tested distances. However, the force-velocity profile (FVP) and horizontal deceleration do not influence the variance in the COD test outcomes. These insights can guide the design, adjustment, and monitoring of training programs, assisting coaches in decision making to optimize performance and mitigate injury risks for female hockey players.

Keywords: motion analysis; physical and physiological analysis; training and game monitoring.

Figure 1

Regression plot of actual versus predicted for 5 m sprint. The black dotted line represents the linear regression function.

Figure 2

Regression plot of actual versus predicted for 15 m sprint. The black dotted line represents the linear regression function.

Figure 3

Regression plot of actual versus predicted for 30 m sprint. The black dotted line represents the linear regression function.