Analysis of the efficacy values in water polo goalkeepers
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2019Disciplina/s
Actividad Física y DeporteMateria/s
PorterosCoeficientes
Análisis notacional
Waterpolo
Goalkeeper
Coefficients
Notational analysis
Resumen
El presente estudio pretende analizar los valores de eficacia de los porteros del Campeonato del Mundo de Waterpolo celebrado en Melbourne en 2007. Con la intención de determinar si existen diferencias entre la condición de ganador y perdedor, entre ganadores, entre perdedores y entre sexos, se filmaron y analizaron los 96 partidos celebrados, utilizando el Software Polo Análisis Directo v1.0.Se midieron diversos coeficientes de eficacia en situaciones de igualdad, desigualdad, transición y penaltis. Se procedió con comparación de medias U de Mann-Whitney y se encontraron diferencias entre los coeficientes de resolución e imprecisión en situación de igualdad en función del sexo (U = .02; p < .05, U = .03; p < .05) y resultado (U = .0; p < .05, U = .0; p < .05), aunque no se apreciaron diferencias entre ganadores ni entre perdedores.En conclusión, se considera que los coeficientes de im-precisión en transición ... The present study aims to analyze the efficacy values of goalkeepers in the Water polo World Championships held in Melbourne in 2007. In order to determine any differences between winner and loser, winners, losers and between genres, were filmed and analyzed, using the Software Pole Direct Analysis v1.0, all the 96 match celebrated.Various coefficients of effectiveness were measured in situations of equality, inequality, transition and penalties. A comparison of U Mann-Whitney was performed, and we found differences between the coefficients of resolution and imprecision in a situation of equality according to sex (U = .02; p < .05, U = .03; p < .05) and results (U = .0; p < .05, U = .0; p < .05), although there were no differences between winners, or among losers.In conclusion, it is considered that the coefficients of imprecision in transition and penalty give an idea of the sport situation to analyze and train to increase the sport performance, although still more research is necessa...