La Teoría de la Generalizabilidad aplicada al estudio del perfil físico durante juegos reducidos con diferente orientación del espacio en fútbol. [Generalizability theory applied to the study of physical profile during different small-sided games with dif

Resumen

El propósito de este trabajo fue conocer la respuesta motriz de los jugadores de fútbol en diferentes tareas de entrenamiento medidas a través de dispositivos GPS, así como estimar la variabilidad y la reproducibilidad de las mismas. 12 jugadores amateurs realizaron en tres sesiones de entrenamiento tres situaciones de juego reducido al que se le varío únicamente la orientación del espacio. El perfil físico fue analizado utilizando la distancia recorrida durante cinco intervalos de velocidad (0-6.9, 7.0-12.9, 13.0-17.9, 18.0-20.9 y >21 km·h–1) y la distancia total (DT). Dentro del Modelo General Lineal se realizó un análisis de la varianza y la precisión de generalización con un diseño de tres facetas: participante, sesión y orientación. Los resultados mostraron que la modificación de la orientación del espacio en las tareas influyó en la DT y la recorrida a bajas velocidades, no ocurriendo así en las distancias a alta intensidad. Se encontraron valores de baja variabilidad y alta reproducibilidad en el estudio de las variables DT y distancias recorridas a bajas velocidades, reduciéndose a medida que se incrementa la intensidad de carrera. El estudio sugiere líneas para optimizar el entrenamiento a partir de la variable orientación del espacio.

Abstract

Generalizability theory applied to the study of physical profile during different small-sided games with different orientation of the field in soccer.

The purpose of this study was to determine the motor response of soccer players training in different tasks measures through GPS devices and to estimate the variability and reproducibility. 12 amateurs players made in three training sessions three small-sided game situations those changed only the orientation of the field. The physical profile was analyzed using the distance covered from five intensities (0-6.9, 7.0-12.9, 13.0-17.9, 18.0-20.9 and >21 km∙h-1) and total distance (TD). Within the General Linear Model it was performed an analysis of the variance and the accuracy of generalization with a design of three facets: participant, session and orientation. The results showed that changing the orientation of the space in the task influenced the DT and displacement to low intensity, but not to high intensity. We found low variability and high reproducibility in variables as DT and distances covered to low speed, although they reduced when increased the intensity of the displacement. The study suggests lines to optimize training from the variable field orientation.

http://dx.doi.org/10.5232/ricyde2014.03702

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