Abstract

The aim of this study was to assess the principal components (PC) of women’s field hockey players´ TL distinguishing by playing positions (i.e., back, midfielder, forward). Data were collected from sixteen players belonging to the Spanish National women’s field hockey team during 13 official matches from the European Championship, World Series, and Pre-Olympic tournament. The Principal Component Analysis (PCA) grouped a total of 16 variables in five to six PC, explaining between 68.6 and 80% of the total variance. Different variables formed the PC that explain the player’s performance in different field positions. There were differences by positions in the distance covered at 21 to 24 km·h^-1 (midfielders>forwards), decelerations from 5 to 4 m·s^-2 (midfielders>forwards), and in maximum accelerations (midfielders>backs). Overall, strength and conditioning coaches should combine exercises which induce a high degree of aerobic endurance and power. However, some specification should be made by playing position: (1) defenders should perform training sessions with at least the same amount of volume as in the matches; (2) forwards should perform training efforts that ensure high repeated sprint ability; and (3) midfielders should perform a high training volume to develop high-intensity aerobic endurance, in combination with short-term efforts.

Resumen

El objetivo de este estudio fue evaluar los componentes principales (CP) de rendimiento de las jugadoras de hockey hierba en diferentes posiciones del campo (defensiva, mediocampista, delantera). Se registraron datos de 16 jugadoras de la selección española absoluta de hockey hierba femenino durante 13 partidos oficiales del Campeonato de Europa, Serie Mundial y del Torneo Preolímpico. El Análisis de Componentes Principales (ACP) agrupó un total de 16 variables en cinco/seis CP, lo que explica entre el 68,6 y el 80% de la varianza total. Diferentes variables formaron los PC que explican el rendimiento de las jugadoras en diferentes posiciones del campo. Se encontraron diferencias por posiciones en distancia de 21 a 24 km/h (centrocampistas > delanteras), deceleraciones de 5 a 4 m/s (mediocampistas > delanteras) y en aceleraciones máximas (mediocampistas > defensas). En general, los preparadores físicos deben combinar ejercicios que lleven a un alto grado de resistencia aeróbica y potencia, aunque se deben hacer algunas especificaciones por posición de juego: (1) las defensoras deben realizan sesiones de entrenamiento con al menos la misma cantidad de volumen que en el partido; (2) las delanteras deben realizar  durante los entrenamientos esfuerzos que aseguren una alta capacidad de repetir carreras de alta intensidad; y (3) las mediocampistas deben desarrollar una resistencia aeróbica de alta intensidad en combinación con esfuerzos cortos e intensos.

https://doi.org/10.5232/ricyde2021.06401

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