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1.
Pensar mov ; 18(1)jun. 2020.
Article in Spanish | LILACS, SaludCR | ID: biblio-1386724

ABSTRACT

Resumen Influencia de dos tipos de calentamiento sobre la fuerza explosiva del tren inferior en estudiantes de educación física. PENSAR EN MOVIMIENTO: Revista de Ciencias del Ejercicio y la Salud, 18(1), 1-13. El objetivo del presente estudio fue determinar las posibles influencias de dos tipos de calentamiento (tradicional y específico) sobre la fuerza explosiva del tren inferior. Se realizaron dos pruebas (salto con contramovimiento -CMJ- y sprint 5 metros) sobre tres grupos: grupo sin calentamiento (GSC); grupo de calentamiento tradicional (GCT), que incluía movilidad articular, carrera continua y estiramientos estáticos; y grupo de calentamiento específico (GCE), que incluía movilidad articular, carrera continua, estiramientos dinámicos y pliometría. Se realizó un pre y post test y se utilizó la prueba de ANOVA de medidas repetidas para0020comparar la influencia del tipo de calentamiento sobre las pruebas entre los diferentes grupos. Posteriormente, se calculó el tamaño del efecto a través de g de Hedges. Los resultados mostraron diferencias estadísticamente significativas entre el pre y post test en el GCT y en el GCE; además, se encontraron diferencias estadísticamente significativas (p < .05) entre GSC y el GCE en el post test solo en la prueba de salto. Realizar estiramientos dinámicos y pliometría como parte del calentamiento parece influir positivamente en la capacidad de salto vertical. Los datos sugieren que los profesores de educación física deberían utilizar calentamientos con estiramientos dinámicos y pliometría para mejorar el rendimiento en actividades que incluyan el salto.


Abstract Influence of two types of warm-ups on the explosive force of the lower body in physical education students. PENSAR EN MOVIMIENTO: Revista de Ciencias del Ejercicio y la Salud, 18(1), 1-13. The present study aimed to determine the possible influences of two types of warm-ups (traditional and specific) on the explosive strength of the lower body. Two tests were conducted (Counter Movement Jump-CMJ and 5-meter sprint) in three groups: a group without warm-up (GSC), a group with traditional warm-ups (GCT) including articulated mobility, continuous running, and static stretching; and another group with specific warm-ups (GCE), including articulated mobility, continuous running, dynamic stretching, and plyometric exercises. A pre and post-test was conducted, and ANOVA was used to compare the influence of the type of warm-ups on tests between groups. Subsequently, the effect size was calculated using Hedges' g. Results showed statistically significant differences between the pre and post-test in GCT and in GCE; furthermore, statistically significant differences (p < .05) were found in CMJ test between GSC and GCE, in the post-test. Performing dynamic stretching and plyometric exercises as part of the warm-ups seems to positively influence the ability to jump vertically. Data suggests that physical education coaches should use warm-ups with dynamic stretching and plyometric exercises to enhance performance in activities that include jumping.


Resumo Influência de dois tipos de aquecimento sobre a força explosiva dos membros inferiores em estudantes de educação física. PENSAR EN MOVIMIENTO: Revista de Ciencias del Ejercicio y la Salud, 18(1), 1-13. O presente estudo teve como objetivo determinar as possíveis influências de dois tipos de aquecimento (tradicional e específico) na força explosiva dos membros inferiores. Foram realizadas duas provas (salto com contramovimento - CMJ - e sprint de 5 metros) em três grupos: grupo sem aquecimento (GSA); grupo com aquecimento tradicional (GAT), que incluía mobilidade articular, corrida contínua e alongamentos estáticos; e grupo de aquecimento específico (GAE), que incluía mobilidade articular, corrida contínua, alongamentos dinâmicos e pliometria. Foram realizados um pré-teste e pós-teste e foi utilizada a prova da ANOVA de medidas repetidas para comparar a influência do tipo de aquecimento nas provas entre os diferentes grupos. Posteriormente, foi calculado o tamanho do efeito mediante o g de Hedges. Os resultados mostraram diferenças estatisticamente significativas entre o pré-teste e o pós-teste no GAT e no GAE; além disso, foram encontradas diferenças estatisticamente significativas (p < 0,05) entre GSA e o GAE no pós-teste, somente na prova de salto. Realizar alongamentos dinâmicos e pliometria como parte do aquecimento parece influenciar positivamente na capacidade de salto vertical. Os dados sugerem que os professores de educação física deveriam utilizar aquecimentos com alongamentos dinâmicos e pliometria para melhorar o desempenho em atividades que incluam salto.


Subject(s)
Humans , Muscle Strength , Warm-Up Exercise
2.
Motriz (Online) ; 23(3): e101663, 2017. tab
Article in English | LILACS | ID: biblio-895005

ABSTRACT

Aims: The aim of the present study was to analyze the differences in wheelchair tennis game statistics between winning and losing sets. Methods: Data were collected from the 139 sets of 64 matches played by 64 males' players in the 2012 Paralympics Games. The variables studied were grouped in four groups: variables related to serve, to return, to winners and errors, and to net point. Data was collected from official website of the Paralympics Games. A univariate (Wilcoxon test) and multivariate (discriminant) analysis of data was done to the study the four groups of variable in relation to the result of the set (win or lose). Results: The result showed that winning players commit fewer errors and achieved more winning shots than losing players. Conclusion: The values presented could be used as a reference for practice and competition in wheelchair tennis players.(AU)


Subject(s)
Humans , Male , Tennis , Disabled Persons , Athletic Performance , Athletes , Sports for Persons with Disabilities
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