Influence of the throwing direction on biomechanics of movement patterns in handball throws

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Influence of the throwing direction on biomechanics of movement patterns in handball throws

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Title: Influence of the throwing direction on biomechanics of movement patterns in handball throws
Author: Gutiérrez-Dávila, Marcos; Ortega-Becerra, Manuel Alejandro; Párraga, Juan; Campos, José; Rojas-Ruiz, Francisco Javier
Abstract: The purpose of this study was to compare players’ intra-individual variability in the movement pattern of four throwing directions, which were realized to one of the corners of the goal, in presence of the goalkeeper in handball. Five players participated at the first division of Spanish Handball. Each thrower completed 35 throws in different directions. 3D video techniques were used to determine the rectangular components of the spacial positions between 5 body markers and the ball. An analysis of variance was used to detect the changes produced by the direction of the throw. An additional analysis of variance was used to measure the temporary differences of the direction of the throw using the positions of the 5 body markers used by the 3 specialist throwers. The data showed that when the throw was directed to the left side, the time for the throw was significally longer, and when the throw was directed to lower zones, the time of release tended to increase even more, because the ball is released higher.El propósito de este estudio ha sido comparar la variedad intraindividual del los patrones de movimiento para cuatro direcciones de lanzamiento realizadas a cada una de las cuatro esquinas de la portería en presencia de un portero de balonmano. Los participantes han sido cinco jugadores de Primera División Española. Cada jugador efectuó 35 lanzamientos a diferentes direcciones. Se han utilizado técnicas fotogramétricas tridimensionales para determinar las componentes rectangulares de la posición espacial de 5 marcadores corporales y el balón. Se ha efectuado un análisis de varianza para detectar los cambios producidos en la dirección de lanzamiento y un análisis de la varianza complementario para medir las diferencias temporales de los marcadores corporales para los 3 lanzadores especialistas. Los datos obtenidos muestran que cuando los lanzamientos se dirigen a la zona izquierda de la portería el tiempo de lanzamiento es significativamente mayor y cuando el lanzamiento se dirige a zonas bajas, el tiempo hasta la suelta del balón tiende a incrementarse, debido a que el balón es lanzado desde una mayor altura.
URI: http://hdl.handle.net/10662/7365
Date: 2013


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