Efecto de sobrecargas ligeras sobre el rendimiento del salto vertical con contramovimiento
- Marcos Gutiérrez Dávila 1
- C. González 1
- Francisco Javier Giles Girela 1
- D. Gallardo 1
- Francisco Javier Rojas Ruiz 1
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1
Universidad de Granada
info
ISSN: 1577-0354
Año de publicación: 2016
Volumen: 16
Número: 64
Páginas: 633-648
Tipo: Artículo
Otras publicaciones en: Revista Internacional de Medicina y Ciencias de la Actividad Física y del Deporte
Resumen
El propósito de este estudio ha sido determinar el efecto de diferentes sobrecargas ligeras sobre el impulso vertical, la velocidad del centro de masas y el máximo pico de potencia, durante la realización de dos saltos verticales máximos consecutivos. Han participado 28 deportistas practicantes de modalidades deportivas donde el salto vertical constituye una habilidad básica. Se ha utilizado una plataforma de fuerza, operando a 500 Hz, sincronizada temporalmente a una cámara de vídeo, que registraba a 210 Hz el plano sagital de los saltos realizados sobre la plataforma. Los resultados indican que, cuando se utilizan sobrecargas del 7,5% del peso corporal, el tiempo utilizado durante la fase de contramovimiento se incrementa. El impulso vertical y el pico de potencia no varían con el uso de los diferentes niveles de las sobrecargas utilizadas, sin embargo, la velocidad de despegue se reduce un porcentaje similar al incremento de la carga.
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