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Effect of different anthropometry-driven block settings on sprint start performance

Valentina Cavedon Orcid Logo, Neil Bezodis Orcid Logo, Marco Sandri, Silvia Golia Orcid Logo, Carlo Zancanaro, Chiara Milanese Orcid Logo

European Journal of Sport Science, Volume: 23, Issue: 7, Pages: 1 - 11

Swansea University Author: Neil Bezodis Orcid Logo

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DOI (Published version): 10.1080/17461391.2022.2153347

Abstract

Few studies have focused on the effect of individual anthropometrics when considering “set” position posture during the sprint start. This study aimed to measure the effect of different anthropometry-driven block settings on kinetic and kinematic parameters and performance during the start in well-t...

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Published in: European Journal of Sport Science
ISSN: 1746-1391 1536-7290
Published: Informa UK Limited 2022
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URI: https://cronfa.swan.ac.uk/Record/cronfa62037
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spelling v2 62037 2022-11-25 Effect of different anthropometry-driven block settings on sprint start performance 534588568c1936e94e1ed8527b8c991b 0000-0003-2229-3310 Neil Bezodis Neil Bezodis true false 2022-11-25 EAAS Few studies have focused on the effect of individual anthropometrics when considering “set” position posture during the sprint start. This study aimed to measure the effect of different anthropometry-driven block settings on kinetic and kinematic parameters and performance during the start in well-trained and non-trained sprinters. Front block-starting line (FB/SL) distance was manipulated between 50% and 70% of each individual’s leg length at 5% intervals, whilst the inter-block distance was held constant at 45% of leg length. Thirty-six sprinters performed three maximal-effort 10 m sprints in each of the five conditions. Joint angles in the “set” position were quantified though 2D video analysis, the forces generated during block clearance phase were measured by dynamometric starting blocks, and times to 5 m and 10 m were measured with photocells. The effects of the five block setting conditions were largely consistent irrespective of ability level. Shorter FB/SL distances were associated with significantly more flexed hip and knee angles in the “set” position, a significantly more plantar flexed front ankle, and a significantly more dorsiflexed rear ankle. There were no significant effects of FB/SL distance on total block time, and thus the greater rear block peak forces and impulses produced from the shorter FB/SL distances combined with no effects on the resultant front block peak forces and impulses, led to higher levels of sprint start performance from the shorter FB/SL distances. Considering FB/SL distances closer to 50% of leg length may be beneficial for coaches and athletes to explore during sprint start training. Journal Article European Journal of Sport Science 23 7 1 11 Informa UK Limited 1746-1391 1536-7290 Sprint running, set position, biomechanics, anthropometrics. 15 12 2022 2022-12-15 10.1080/17461391.2022.2153347 COLLEGE NANME Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University 2024-07-23T16:00:24.5350151 2022-11-25T09:13:55.8512823 Faculty of Science and Engineering School of Engineering and Applied Sciences - Sport and Exercise Sciences Valentina Cavedon 0000-0002-2464-1019 1 Neil Bezodis 0000-0003-2229-3310 2 Marco Sandri 3 Silvia Golia 0000-0003-0015-8126 4 Carlo Zancanaro 5 Chiara Milanese 0000-0002-8011-4379 6 62037__25977__e828e7bf4cc041cc806796282a403a69.pdf 62037.pdf 2022-12-01T15:48:04.4110917 Output 622843 application/pdf Accepted Manuscript true 2023-12-01T00:00:00.0000000 Released under the terms of a Creative Commons Attribution Non-Commercial License (CC-BY-NC) true eng https://creativecommons.org/licenses/by-nc/4.0/
title Effect of different anthropometry-driven block settings on sprint start performance
spellingShingle Effect of different anthropometry-driven block settings on sprint start performance
Neil Bezodis
title_short Effect of different anthropometry-driven block settings on sprint start performance
title_full Effect of different anthropometry-driven block settings on sprint start performance
title_fullStr Effect of different anthropometry-driven block settings on sprint start performance
title_full_unstemmed Effect of different anthropometry-driven block settings on sprint start performance
title_sort Effect of different anthropometry-driven block settings on sprint start performance
author_id_str_mv 534588568c1936e94e1ed8527b8c991b
author_id_fullname_str_mv 534588568c1936e94e1ed8527b8c991b_***_Neil Bezodis
author Neil Bezodis
author2 Valentina Cavedon
Neil Bezodis
Marco Sandri
Silvia Golia
Carlo Zancanaro
Chiara Milanese
format Journal article
container_title European Journal of Sport Science
container_volume 23
container_issue 7
container_start_page 1
publishDate 2022
institution Swansea University
issn 1746-1391
1536-7290
doi_str_mv 10.1080/17461391.2022.2153347
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 Engineering and Applied Sciences - Sport and Exercise Sciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Sport and Exercise Sciences
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description Few studies have focused on the effect of individual anthropometrics when considering “set” position posture during the sprint start. This study aimed to measure the effect of different anthropometry-driven block settings on kinetic and kinematic parameters and performance during the start in well-trained and non-trained sprinters. Front block-starting line (FB/SL) distance was manipulated between 50% and 70% of each individual’s leg length at 5% intervals, whilst the inter-block distance was held constant at 45% of leg length. Thirty-six sprinters performed three maximal-effort 10 m sprints in each of the five conditions. Joint angles in the “set” position were quantified though 2D video analysis, the forces generated during block clearance phase were measured by dynamometric starting blocks, and times to 5 m and 10 m were measured with photocells. The effects of the five block setting conditions were largely consistent irrespective of ability level. Shorter FB/SL distances were associated with significantly more flexed hip and knee angles in the “set” position, a significantly more plantar flexed front ankle, and a significantly more dorsiflexed rear ankle. There were no significant effects of FB/SL distance on total block time, and thus the greater rear block peak forces and impulses produced from the shorter FB/SL distances combined with no effects on the resultant front block peak forces and impulses, led to higher levels of sprint start performance from the shorter FB/SL distances. Considering FB/SL distances closer to 50% of leg length may be beneficial for coaches and athletes to explore during sprint start training.
published_date 2022-12-15T16:00:22Z
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