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Investigating the Influence of Ball Orientation on the Foot–Ball Interaction in Rugby Union Place Kicking / SAMUEL JONES

Swansea University Author: SAMUEL JONES

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Abstract

Rugby Union place kicking contributes 45% of all points scored and 5.7% of matches are decided by a single kick (Quarrie and Hopkins, 2015). Biomechanical investigations of the place kick have often focused on the movements of the kicker without consideration of how the ball is orientated on the tee...

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Published: Swansea 2021
Institution: Swansea University
Degree level: Master of Research
Degree name: MSc by Research
Supervisor: Bezodis, Neil E. ; Heffernan, Shane M.
URI: https://cronfa.swan.ac.uk/Record/cronfa58709
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first_indexed 2021-11-19T13:26:55Z
last_indexed 2021-11-20T04:24:37Z
id cronfa58709
recordtype RisThesis
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spelling 2021-11-19T13:40:19.1328509 v2 58709 2021-11-19 Investigating the Influence of Ball Orientation on the Foot–Ball Interaction in Rugby Union Place Kicking 5a4616700e2280cc8cde8f24006bde98 SAMUEL JONES SAMUEL JONES true false 2021-11-19 Rugby Union place kicking contributes 45% of all points scored and 5.7% of matches are decided by a single kick (Quarrie and Hopkins, 2015). Biomechanical investigations of the place kick have often focused on the movements of the kicker without consideration of how the ball is orientated on the tee and whether that might interact with the kicker’s technique. Therefore, the overall aim of this thesis was to investigate how ball orientation interacts with kick technique and performance to inform the ball setup preferences of kickers. An initial study identified the ball orientation preferences of international kickers at the 2019 Rugby World Cup and assessed kick performance when kicks were categorised by ball orientation. Binomial logistic regression analysis, which also accounted for additional situational factors, revealed that kicks taken with a slanted orientation (approximately 45°) had a greater predicted kick success (90.0%) than with a forward orientation (approximately 15°; 84.4%) and a horizontal orientation (approximately 75°; 86.8%). The second study experimentally altered ball orientation to investigate the effects on kickers’ technique, impact characteristics and resulting kick performance. There were few clear effects of ball orientation on the kicking foot swing plane characteristics or the kicking leg shank and foot segment orientations at initial foot–ball impact, suggesting that each kicker maintained relatively consistent ‘end-point’ characteristics of technique. However, impact location on the ball generally varied significantly (p < 0.05) with ball orientation and when kickers struck the ball closer to the belly, impact efficiency was typically improved. This thesis provides information which could help to inform the ball orientation preferences of place kickers and coaches. There does not appear to be one ball orientation that results in the best performance for all kickers, but exploration of a ball orientation which encourages impact nearer the belly may improve impact efficiency. E-Thesis Swansea 19 11 2021 2021-11-19 A selection of third party content is redacted or is partially redacted from this thesis due to copyright restrictions. COLLEGE NANME COLLEGE CODE Swansea University Bezodis, Neil E. ; Heffernan, Shane M. Master of Research MSc by Research 2021-11-19T13:40:19.1328509 2021-11-19T13:23:05.1696163 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised SAMUEL JONES 1 58709__21597__94b1d03aac6c4892a04cb04c0709e4bf.pdf Jones_Sam_MSc_Research_Thesis_Final_Redacted.pdf 2021-11-19T13:35:34.5998476 Output 2272622 application/pdf Redacted version - open access true Copyright: The author, Sam Jones, 2021. true eng
title Investigating the Influence of Ball Orientation on the Foot–Ball Interaction in Rugby Union Place Kicking
spellingShingle Investigating the Influence of Ball Orientation on the Foot–Ball Interaction in Rugby Union Place Kicking
SAMUEL JONES
title_short Investigating the Influence of Ball Orientation on the Foot–Ball Interaction in Rugby Union Place Kicking
title_full Investigating the Influence of Ball Orientation on the Foot–Ball Interaction in Rugby Union Place Kicking
title_fullStr Investigating the Influence of Ball Orientation on the Foot–Ball Interaction in Rugby Union Place Kicking
title_full_unstemmed Investigating the Influence of Ball Orientation on the Foot–Ball Interaction in Rugby Union Place Kicking
title_sort Investigating the Influence of Ball Orientation on the Foot–Ball Interaction in Rugby Union Place Kicking
author_id_str_mv 5a4616700e2280cc8cde8f24006bde98
author_id_fullname_str_mv 5a4616700e2280cc8cde8f24006bde98_***_SAMUEL JONES
author SAMUEL JONES
author2 SAMUEL JONES
format E-Thesis
publishDate 2021
institution Swansea University
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 - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
document_store_str 1
active_str 0
description Rugby Union place kicking contributes 45% of all points scored and 5.7% of matches are decided by a single kick (Quarrie and Hopkins, 2015). Biomechanical investigations of the place kick have often focused on the movements of the kicker without consideration of how the ball is orientated on the tee and whether that might interact with the kicker’s technique. Therefore, the overall aim of this thesis was to investigate how ball orientation interacts with kick technique and performance to inform the ball setup preferences of kickers. An initial study identified the ball orientation preferences of international kickers at the 2019 Rugby World Cup and assessed kick performance when kicks were categorised by ball orientation. Binomial logistic regression analysis, which also accounted for additional situational factors, revealed that kicks taken with a slanted orientation (approximately 45°) had a greater predicted kick success (90.0%) than with a forward orientation (approximately 15°; 84.4%) and a horizontal orientation (approximately 75°; 86.8%). The second study experimentally altered ball orientation to investigate the effects on kickers’ technique, impact characteristics and resulting kick performance. There were few clear effects of ball orientation on the kicking foot swing plane characteristics or the kicking leg shank and foot segment orientations at initial foot–ball impact, suggesting that each kicker maintained relatively consistent ‘end-point’ characteristics of technique. However, impact location on the ball generally varied significantly (p < 0.05) with ball orientation and when kickers struck the ball closer to the belly, impact efficiency was typically improved. This thesis provides information which could help to inform the ball orientation preferences of place kickers and coaches. There does not appear to be one ball orientation that results in the best performance for all kickers, but exploration of a ball orientation which encourages impact nearer the belly may improve impact efficiency.
published_date 2021-11-19T04:15:27Z
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score 11.012678

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