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Biomechanical analysis of the final strides of the approach and the take-off by visually impaired class F12 and F13 long jumpers

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Author(s): Vassilios Panoutsakopoulos | Apostolos Theodorou | Mariana Kotzamanidou | Emmanouil Skordilis | Iraklis Kollias

Journal: Journal of Human Sport and Exercise
ISSN 1988-5202

Volume: 8;
Issue: 3Proc;
Start page: 671;
Date: 2013;
Original page

Keywords: 2D-DLT ANALYSIS | STRIDE LENGTH | JOINT ANGULAR KINEMATICS | VISUAL ACUITY | TECHNIQUE

ABSTRACT
Despite of the level of visual aquity, European Records in long jumping are greater in class F12 (visual acuity 2/60) than class F13 (visual acuity 6/60) both in males and females. The aim of the present study was to compare the biomechanical parameters of the final strides of the approach and the take-off in class F12 and F13 long jumpers. 19 class F12 (males: 13, females: 6) and 12 class F13 (males: 4, females: 8) long jumpers participating in the 2009 International Blind Sports Association European Championships were recorded using a stationary digital video camera (sampling frequency: 300 fps). Key biomechanical parameters were extracted with a typical 2D-DLT kinematical analysis. Differences between groups were investigated using Independent samples t-test. Results indicated that the official distance was 6.07 m ± 0.55 and 5.52 m ± 0.91 for F12 and F13 respectively (p
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