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

ROWLEY, Lee J, CHURCHILL, Sarah M., DUNN, Marcus and WHEAT, Jonathan (2021). Effect of hurdling step strategy on the kinematics of the hurdle clearance technique. Sports Biomech.

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Official URL: https://www.tandfonline.com/doi/full/10.1080/14763...
Open Access URL: https://www.tandfonline.com/doi/pdf/10.1080/147631... (Published version)
Link to published version:: https://doi.org/10.1080/14763141.2021.1970214


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: Article
Uncontrolled Keywords: Approach; acceleration; athletics; sprint; track and field; 0913 Mechanical Engineering; 1106 Human Movement and Sports Sciences; 1303 Specialist Studies in Education; Sport Sciences
Identification Number: https://doi.org/10.1080/14763141.2021.1970214
SWORD Depositor: Symplectic Elements
Depositing User: Symplectic Elements
Date Deposited: 29 Nov 2021 11:56
Last Modified: 29 Nov 2021 12:30
URI: https://shura.shu.ac.uk/id/eprint/29405

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