Efecto de dos modelos de la línea de tres puntos sobre variables relacionadas con la acción de juego en minibasket femenino (Effect of two models of three points line in female mini-basketa)
DOI:
https://doi.org/10.47197/retos.v0i16.34986Keywords:
Baloncesto, minibasket, modificación de reglas, línea de tres puntos (Basketball, mini-basketball, rule modification, three-point line)Abstract
El objetivo del estudio fue comparar la línea de tres puntos delimitada por el área de la zona restringida y la línea de tres puntos delimitada por un área rectangular, para examinar cuál de los dos diseños de la línea puede contribuir a favorecer en mayor medida el desarrollo de las habilidades de los jugadores de minibasket. En un primer campeonato se jugó con la línea de tres puntos demarcada por la zona restringida (1642 posesiones de balón) y en un segundo con una línea de tres puntos rectangular (1669 posesiones de balón). Se utilizó la metodología observacional, mediante un diseño tipo seguimiento, idiográfico, multidimensional. Tras formar a cuatro observadores, la fiabilidad del registro obtenida a través del coeficiente de concordancia Kappa, alcanzó valores entre .90 y .98. La relación entre cada campeonato y todos los criterios fue significativa (P = .000). Al jugar con la línea de tres puntos delimitada por la zona restringida se observan mayores porcentajes con respecto a la delimitada por el área rectangular, en relación a las posesiones de balón desarrolladas mediante transición (60.1% vs. 51.5%; Z = -3.7, P = .000) y el número de lanzamientos (62.9% vs. 44.9%; Z = -2.65, P = .007).
Abstract: The aim of this study was to examine the differences in game dynamics by comparing two disparate ways of conceiving the three-point line in mini-basketball into a competitive, real context. During the first championship, a three-point line delimited by the restricted zone (1.642 ball possessions) was played while during the second one, a rectangular three-point line (1.669 ball possessions). The observational methodology was used through a follow-up, ideographic, multidimensional design type. After training four observers, the register’s reliability, which was obtained by the Kappa concordance coefficient, achieved values between 0.90 and 0.98. The relation between each championship and all the criteria was significant (P = 0.000). In playing with the three-point line delimited by the restricted zone, greater percentages were observed than with the three-point line delimited by the rectangular area with regard to the ball possessions developed through transition (60.1% vs. 51.5%; Z = -3.7, P = 0.000) and to the shooting number (62.9% vs. 44.9%; Z = -2.65, P = 0.007).
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