Effect of hurdling step strategy on the kinematics of the hurdle clearance technique

Rowley, L.J., Churchill, S.M., Dunn, M. and Wheat, J. ORCID: 0000-0002-1107-6452, 2021. Effect of hurdling step strategy on the kinematics of the hurdle clearance technique. Sports Biomechanics. ISSN 1476-3141

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Athletes use either an eight-step or a seven-step strategy to reach the first hurdle in the 110 m hurdles event. This study investigates the effect of step strategy on the hurdle clearance technique and spatio-temporal parameters of the four steps prior to hurdle clearance. Two-dimensional video data were collected in the sagittal plane from 12 male sprinters, grouped as seven-step (n = 6) or eight-step (n = 6) strategists. The take-off distance was 0.20 m further from the hurdle and the touchdown was 0.42 m closer to the hurdle for seven-step athletes. Additionally, seven-step athletes reduced the length of the final step before hurdle take-off by 0.14 m compared with the previous step, whereas the eight-step athletes extended their final step by 0.17 m. There was negligible difference between the mean horizontal velocities of the two groups throughout the hurdle clearance (0.02 m/s) or the approach time to the first hurdle from the block clearance (0.01 s). This presents an important first insight into the effect of the step strategy on the first hurdle kinematics. Our findings identify the take-off and touchdown distance parameters of the hurdle clearance technique, and approach step characteristics for a successful seven- or eight-step approach strategy to be employed.

Item Type: Journal article
Publication Title: Sports Biomechanics
Creators: Rowley, L.J., Churchill, S.M., Dunn, M. and Wheat, J.
Publisher: Routledge
Date: 16 November 2021
ISSN: 1476-3141
Rights: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited, and is not altered, transformed, or built upon in any way.
Divisions: Schools > School of Science and Technology
Record created by: Jonathan Gallacher
Date Added: 24 Apr 2024 14:37
Last Modified: 24 Apr 2024 14:37
URI: https://irep.ntu.ac.uk/id/eprint/51322

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