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http://grupodestudoslutas.blogspot.com

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São Paulo, São Paulo, Brazil
Professor da EEFE-USP; Praticante e Pesquisador de Judô; Preparador físico de atletas de modalidades esportivas de combate.

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terça-feira, 28 de agosto de 2012

Tipo de superfície e impacto em movimento da esgrima


 2012 Aug 22. [Epub ahead of print]

Influence of Surface on Impact Shock Experienced during a Fencing Lunge.

Source

School of Life Sciences, University of Hertfordshire, Hatfield, UK.

Abstract

The purpose of this study was to investigate the effect of sports surface on the magnitude of impact shock experienced during a lunge movement. Thirteen experienced, competitive fencers (age 32.4 ± 4.6 years; Height 178.4 ± 7.2 cm; Mass 74.4 ± 9.1 kg) performed ten lunges on four different surfaces: concrete with an overlaid vinyl layer (COVL); wooden sprung court surface (WSCS); metallic carpet fencing piste overlaid on the WSCS and: aluminium fencing piste overlaid on the WSCS. An accelerometer measured accelerations along the longitudinal axis of the tibia at 1000Hz. The results identified a significantly (P < 0.05) larger impact shock magnitude was experienced during a lunge on the COVL (14.88 ± 8.45g) compared to the WSCS (11.61 ± 7.30g), WSCS with metallic carpet piste (11.14 ± 6.38g) and WSCS with aluminium piste (11.95 ± 7.21g). Furthermore, the two types of piste used had no significant effect the impact shock magnitude measured when overlaid on the WSCS compared to the WSCS on its own. The results of this investigation suggest that occurrences of injuries related to increased levels of impact shock, may be reduced through the utilization of a WSCS as opposed to a COVL surface, during fencing participation.

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