Determinación del perfil funcional "entrenados" y "no entrenados" según la velocidad de la barra en el press de banca

  1. Albarracín, W.
  2. Bautista, I.J
  3. Chirosa Ríos, Luis Javier
  4. Martín, I.
Revista:
E-Balonmano.com: Revista de Ciencias del Deporte

ISSN: 1885-7019

Año de publicación: 2012

Volumen: 8

Número: 3

Páginas: 233-252

Tipo: Artículo

Otras publicaciones en: E-Balonmano.com: Revista de Ciencias del Deporte

Resumen

Un estudio descriptivo fue diseñado para explorar diferencias en fuerza, potencia y velocidad, en un protocolo incremental de cargas en press de banca (PB), de esta forma se pretendió obtener un indicador para catalogar el perfil de un sujeto como entrenado y no entrenado en el ejercicio del PB. Treinta participantes varones conformaron los grupos; grupo entrenados conformado por los participantes con una repetición máxima (1RM) superior a su peso corporal (BW) y grupo no entrenados conformado por los participantes con 1RM menor a su BW. El valor de 1RM fue 82.33 ± 11.09 kg y 59.67 ± 5.16 kg, en el grupo entrenados y no entrenados respectivamente. El indicador del nivel de fuerza (kg 1RM / kg BW) en el grupo entrenados fue superior a 1 e inferior en el grupo no entrenados. La fuerza media mostró diferencias significativas (p < 0.05) al 60, 80% y 1RM. La potencia media y el pico máximo de potencia, fueron mayores en el grupo entrenados en todas las intensidades analizadas, exceptuando en 1RM. La velocidad media y el pico máximo de velocidad mostraron diferencias significativas entre ambos grupos en las dos primeras intensidades analizadas. La principal conclusión de este estudio, es proporcionar un perfil funcional de los sujetos como: entrenado, cuando la relación entre 1RM y BW es igual o superior a 1 (1RM>BW), cuando esta relación es inferior a 1 (1RM<BW), los sujetos se pueden catalogar como no entrenado en PB. Además, este estudio demuestra que los sujetos entrenados con una carga de 20 kg, logran velocidades de la barra superiores a 1.2 ms-1 y los sujetos no entrenados logran velocidades inferiores.

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