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Development of a novel biofeedback system for the sprint start

Jorge Cortes Gutierrez, Sean Walton Orcid Logo, Neil Bezodis Orcid Logo

International Journal of Sports Science & Coaching, Volume: 18, Issue: 1, Pages: 114 - 122

Swansea University Authors: Jorge Cortes Gutierrez, Sean Walton Orcid Logo, Neil Bezodis Orcid Logo

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DOI (Published version): 10.1177/17479541211072729

Abstract

This study developed and evaluated a novel concurrent biofeedback system for the sprint start. Previous studies have investigated sprint start biofeedback applications, but these have either not considered important kinematics, coaching implications or key motor learning principles. The biofeedback...

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Published in: International Journal of Sports Science & Coaching
ISSN: 1747-9541 2048-397X
Published: SAGE Publications 2023
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URI: https://cronfa.swan.ac.uk/Record/cronfa59084
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spelling v2 59084 2022-01-05 Development of a novel biofeedback system for the sprint start cac7674f8e5a71a31c994888f182617c Jorge Cortes Gutierrez Jorge Cortes Gutierrez true false 0ec10d5e3ed3720a2d578417a894cf49 0000-0002-6451-265X Sean Walton Sean Walton true false 534588568c1936e94e1ed8527b8c991b 0000-0003-2229-3310 Neil Bezodis Neil Bezodis true false 2022-01-05 FGSEN This study developed and evaluated a novel concurrent biofeedback system for the sprint start. Previous studies have investigated sprint start biofeedback applications, but these have either not considered important kinematics, coaching implications or key motor learning principles. The biofeedback system was developed to convey rear knee angle information, obtained from 3D motion capture to novice participants as changes in the colour of an LED start line when they were in the “set” position. Based on initial user feedback, the system indicated whether the participants’ rear knee angles were within ± 2° of 130° (green) or not (red). A two-group experimental study was then employed to explore the acute responses of novices to the use of the biofeedback system during the sprint start. When exposed to biofeedback, the experimental group (EXP, n = 10) exhibited less deviation (4.0 ± 2.4°) from the target rear knee angle than they did in either a pre-test (11.9 ± 6.9°) or post-test (10.4 ± 4.4°) condition without biofeedback. The control group (CON, n = 10) with no biofeedback exhibited greater deviation from the target rear knee angle than the EXP group in all three condition blocks (pre-test = 21.8 ± 15.1°, no intervention = 15.6 ± 7.3°, post-test = 14.3 ± 6.5°) but the group × condition interaction effect was not significant (P = 0.210). The novel biofeedback system can be used to manipulate selected “set” position kinematics and has the potential to be incorporated with different input systems (e.g. inertial measurement units (IMUs)) or in longitudinal designs. Journal Article International Journal of Sports Science &amp; Coaching 18 1 114 122 SAGE Publications 1747-9541 2048-397X Motion analysis, motor skill, rear knee kinematics, sport biomechanics 1 2 2023 2023-02-01 10.1177/17479541211072729 http://dx.doi.org/10.1177/17479541211072729 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University 2023-05-22T15:14:54.3470640 2022-01-05T15:51:06.4350256 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Jorge Cortes Gutierrez 1 Sean Walton 0000-0002-6451-265X 2 Neil Bezodis 0000-0003-2229-3310 3 59084__22108__8812548057404420ad92c0a000ad38d8.pdf 59084.pdf 2022-01-11T10:24:28.2940029 Output 586932 application/pdf Accepted Manuscript true true eng
title Development of a novel biofeedback system for the sprint start
spellingShingle Development of a novel biofeedback system for the sprint start
Jorge Cortes Gutierrez
Sean Walton
Neil Bezodis
title_short Development of a novel biofeedback system for the sprint start
title_full Development of a novel biofeedback system for the sprint start
title_fullStr Development of a novel biofeedback system for the sprint start
title_full_unstemmed Development of a novel biofeedback system for the sprint start
title_sort Development of a novel biofeedback system for the sprint start
author_id_str_mv cac7674f8e5a71a31c994888f182617c
0ec10d5e3ed3720a2d578417a894cf49
534588568c1936e94e1ed8527b8c991b
author_id_fullname_str_mv cac7674f8e5a71a31c994888f182617c_***_Jorge Cortes Gutierrez
0ec10d5e3ed3720a2d578417a894cf49_***_Sean Walton
534588568c1936e94e1ed8527b8c991b_***_Neil Bezodis
author Jorge Cortes Gutierrez
Sean Walton
Neil Bezodis
author2 Jorge Cortes Gutierrez
Sean Walton
Neil Bezodis
format Journal article
container_title International Journal of Sports Science &amp; Coaching
container_volume 18
container_issue 1
container_start_page 114
publishDate 2023
institution Swansea University
issn 1747-9541
2048-397X
doi_str_mv 10.1177/17479541211072729
publisher SAGE Publications
college_str Faculty of Science and Engineering
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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 - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
url http://dx.doi.org/10.1177/17479541211072729
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description This study developed and evaluated a novel concurrent biofeedback system for the sprint start. Previous studies have investigated sprint start biofeedback applications, but these have either not considered important kinematics, coaching implications or key motor learning principles. The biofeedback system was developed to convey rear knee angle information, obtained from 3D motion capture to novice participants as changes in the colour of an LED start line when they were in the “set” position. Based on initial user feedback, the system indicated whether the participants’ rear knee angles were within ± 2° of 130° (green) or not (red). A two-group experimental study was then employed to explore the acute responses of novices to the use of the biofeedback system during the sprint start. When exposed to biofeedback, the experimental group (EXP, n = 10) exhibited less deviation (4.0 ± 2.4°) from the target rear knee angle than they did in either a pre-test (11.9 ± 6.9°) or post-test (10.4 ± 4.4°) condition without biofeedback. The control group (CON, n = 10) with no biofeedback exhibited greater deviation from the target rear knee angle than the EXP group in all three condition blocks (pre-test = 21.8 ± 15.1°, no intervention = 15.6 ± 7.3°, post-test = 14.3 ± 6.5°) but the group × condition interaction effect was not significant (P = 0.210). The novel biofeedback system can be used to manipulate selected “set” position kinematics and has the potential to be incorporated with different input systems (e.g. inertial measurement units (IMUs)) or in longitudinal designs.
published_date 2023-02-01T15:14:52Z
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