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Characterising initial sprint acceleration strategies using a whole-body kinematics approach

James J Wild Orcid Logo, Ian N. Bezodis Orcid Logo, Jamie S. North Orcid Logo, Neil Bezodis Orcid Logo

Journal of Sports Sciences, Volume: 40, Issue: 2, Pages: 203 - 214

Swansea University Author: Neil Bezodis Orcid Logo

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DOI (Published version): 10.1080/02640414.2021.1985759

Abstract

Sprint acceleration is an important motor skill in team sports, thus consideration of techniques adopted during the initial steps of acceleration is of interest. Different technique strategies can be adopted due to multiple interacting components, but the reasons for, and performance implications of...

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Published in: Journal of Sports Sciences
ISSN: 0264-0414 1466-447X
Published: Informa UK Limited 2022
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URI: https://cronfa.swan.ac.uk/Record/cronfa58364
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first_indexed 2021-10-18T07:51:35Z
last_indexed 2023-01-11T14:38:55Z
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spelling 2022-10-31T12:30:30.9030811 v2 58364 2021-10-18 Characterising initial sprint acceleration strategies using a whole-body kinematics approach 534588568c1936e94e1ed8527b8c991b 0000-0003-2229-3310 Neil Bezodis Neil Bezodis true false 2021-10-18 STSC Sprint acceleration is an important motor skill in team sports, thus consideration of techniques adopted during the initial steps of acceleration is of interest. Different technique strategies can be adopted due to multiple interacting components, but the reasons for, and performance implications of, these differences are unclear. 29 professional rugby union backs completed three maximal 30 m sprints, from which spatiotemporal variables and linear and angular kinematics during the first four steps were obtained. Leg strength qualities were also obtained from a series of strength tests for 25 participants, and 13 participants completed the sprint protocol on four separate occasions to assess the reliability of the observed technique strategies. Using hierarchical agglomerative cluster analysis, four clear participant groups were identified according to their normalised spatiotemporal variables. Whilst significant differences in several lower limb sprint kinematic and strength qualities existed between groups, there were no significant between-group differences in acceleration performance, suggesting inter-athlete technique degeneracy in the context of performance. As the intra-individual whole-body kinematic strategies were stable (mean CV = 1.9% to 6.7%), the novel approach developed and applied in this study provides an effective solution for monitoring changes in acceleration technique strategies in response to technical or physical interventions. Journal Article Journal of Sports Sciences 40 2 203 214 Informa UK Limited 0264-0414 1466-447X Degeneracy; ecological dynamics; performance; rugby union; sprinting; technique 17 1 2022 2022-01-17 10.1080/02640414.2021.1985759 COLLEGE NANME Sport and Exercise Sciences COLLEGE CODE STSC Swansea University 2022-10-31T12:30:30.9030811 2021-10-18T08:49:33.5510997 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Sport and Exercise Sciences James J Wild 0000-0001-7762-4768 1 Ian N. Bezodis 0000-0002-0250-032x 2 Jamie S. North 0000-0003-2429-4552 3 Neil Bezodis 0000-0003-2229-3310 4 58364__21187__de8c31a63b42416fafcd1a15f244519d.pdf 58364.pdf 2021-10-18T08:50:57.2088297 Output 5802401 application/pdf Version of Record true © 2021 The Author(s). This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License true eng http://creativecommons.org/licenses/by-nc-nd/4.0/
title Characterising initial sprint acceleration strategies using a whole-body kinematics approach
spellingShingle Characterising initial sprint acceleration strategies using a whole-body kinematics approach
Neil Bezodis
title_short Characterising initial sprint acceleration strategies using a whole-body kinematics approach
title_full Characterising initial sprint acceleration strategies using a whole-body kinematics approach
title_fullStr Characterising initial sprint acceleration strategies using a whole-body kinematics approach
title_full_unstemmed Characterising initial sprint acceleration strategies using a whole-body kinematics approach
title_sort Characterising initial sprint acceleration strategies using a whole-body kinematics approach
author_id_str_mv 534588568c1936e94e1ed8527b8c991b
author_id_fullname_str_mv 534588568c1936e94e1ed8527b8c991b_***_Neil Bezodis
author Neil Bezodis
author2 James J Wild
Ian N. Bezodis
Jamie S. North
Neil Bezodis
format Journal article
container_title Journal of Sports Sciences
container_volume 40
container_issue 2
container_start_page 203
publishDate 2022
institution Swansea University
issn 0264-0414
1466-447X
doi_str_mv 10.1080/02640414.2021.1985759
publisher Informa UK Limited
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Sport and Exercise Sciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Sport and Exercise Sciences
document_store_str 1
active_str 0
description Sprint acceleration is an important motor skill in team sports, thus consideration of techniques adopted during the initial steps of acceleration is of interest. Different technique strategies can be adopted due to multiple interacting components, but the reasons for, and performance implications of, these differences are unclear. 29 professional rugby union backs completed three maximal 30 m sprints, from which spatiotemporal variables and linear and angular kinematics during the first four steps were obtained. Leg strength qualities were also obtained from a series of strength tests for 25 participants, and 13 participants completed the sprint protocol on four separate occasions to assess the reliability of the observed technique strategies. Using hierarchical agglomerative cluster analysis, four clear participant groups were identified according to their normalised spatiotemporal variables. Whilst significant differences in several lower limb sprint kinematic and strength qualities existed between groups, there were no significant between-group differences in acceleration performance, suggesting inter-athlete technique degeneracy in the context of performance. As the intra-individual whole-body kinematic strategies were stable (mean CV = 1.9% to 6.7%), the novel approach developed and applied in this study provides an effective solution for monitoring changes in acceleration technique strategies in response to technical or physical interventions.
published_date 2022-01-17T04:14:50Z
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score 11.016235

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