A Comparison of Worst Case Scenario Running Demands Between U20 and Senior Elite Rugby Union Players

SAUNDERS, GEORGINA

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A Comparison of Worst Case Scenario Running Demands Between U20 and Senior Elite Rugby Union Players / GEORGINA SAUNDERS

Swansea University Author: GEORGINA SAUNDERS

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Abstract

Introduction. Previous research has analysed the Worst Case Scenario (WCS) running demands in Elite senior Rugby Union and U20 Rugby Union separately, but no study has researched the difference in WCS running demands between the two. Multiple studies have analysed the Total Distance (TD) and High-Sp...

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Published:	Swansea 2023
Institution:	Swansea University
Degree level:	Master of Research
Degree name:	MSc by Research
Supervisor:	Kilduff, Liam
URI:	https://cronfa.swan.ac.uk/Record/cronfa62583
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first_indexed	2023-02-06T11:45:34Z
last_indexed	2023-02-07T04:17:27Z
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fullrecord	<?xml version="1.0"?><rfc1807><datestamp>2023-02-06T12:20:23.8309574</datestamp><bib-version>v2</bib-version><id>62583</id><entry>2023-02-06</entry><title>A Comparison of Worst Case Scenario Running Demands Between U20 and Senior Elite Rugby Union Players</title><swanseaauthors><author><sid>8e268c801af36279d5a753801baac650</sid><firstname>GEORGINA</firstname><surname>SAUNDERS</surname><name>GEORGINA SAUNDERS</name><active>true</active><ethesisStudent>false</ethesisStudent></author></swanseaauthors><date>2023-02-06</date><abstract>Introduction. Previous research has analysed the Worst Case Scenario (WCS) running demands in Elite senior Rugby Union and U20 Rugby Union separately, but no study has researched the difference in WCS running demands between the two. Multiple studies have analysed the Total Distance (TD) and High-Speed Running (HSR) distance covered by positions in Rugby Union but have not analysed the WCS HSR and TD demands. Analysing these demands can aid coaches in creating training sessions to optimally prepare the players for match demands. Methodology. This study analysed the differences in WCS TD and HSR demands between U20 and Elite senior international Rugby Union players. Data was collected from the French, Georgian and English senior rugby teams (n=146) and from the English U20 Rugby Union players (n=43). All players wore 10Hz Catapult or StatSports GPS units. The players were split into forwards (F) and backs (B), and then further categorised into positional subgroups (FR = front row; SR = second row; BR = back row; HB = halfback; MF = midfield; B3 = back-three). The metrics measured were total distance, relative metres per minute, high-speed running, and high-speed running metres per minute. Results. Overall, the study demonstrated that the U20s had higher WCS running demands than the seniors. The backs consistently had higher WCS running demands across all epochs when compared to the forwards. The results demonstrated for HSR WCS demands, there was a significant difference between Elite Seniors and U20s (p<0.001), between Elite senior and U20 forwards and backs (p<0.001), and, between different positional groups (p<0.001). Additionally, for HSR WCS demands, there was a 15% difference between seniors and U20s at 600s epoch. When analysing HSR m/min WCS demands, there was a significant difference between seniors and U20 (p<0.001), forwards and backs (p<0.001) and positional groups (p<0.001). For TD WCS demands, there was a significant difference between seniors and U20 (p<0.001), forwards vs backs (p<0.001), and positional group (p = 0.003). The difference between forwards and backs were all less than 10%. There was also a significant difference for relative m/min between seniors and U20s (p<0.001), forwards vs backs (p<0.001), and positional groups (p<0.001). Conclusion. This study demonstrates the different WCS running demands of U20s and Elite senior international rugby players, and the different WCS running demands between forwards, backs, and other positional subgroups. This novel study into men’s Rugby Union provides new insight into the elite game and will support coaches in creating training sessions in which players reach their WCS running demands, that reflect the demands of optimal match performance. This study will also support coaches in developing training sessions to transition U20 players to the increased WCS running demands in senior rugby.</abstract><type>E-Thesis</type><journal/><volume/><journalNumber/><paginationStart/><paginationEnd/><publisher/><placeOfPublication>Swansea</placeOfPublication><isbnPrint/><isbnElectronic/><issnPrint/><issnElectronic/><keywords>Rugby Union, Running demands, worse case scenario</keywords><publishedDay>25</publishedDay><publishedMonth>1</publishedMonth><publishedYear>2023</publishedYear><publishedDate>2023-01-25</publishedDate><doi/><url/><notes/><college>COLLEGE NANME</college><CollegeCode>COLLEGE CODE</CollegeCode><institution>Swansea University</institution><supervisor>Kilduff, Liam</supervisor><degreelevel>Master of Research</degreelevel><degreename>MSc by Research</degreename><apcterm/><funders/><projectreference/><lastEdited>2023-02-06T12:20:23.8309574</lastEdited><Created>2023-02-06T11:26:43.7778578</Created><path><level id="1">Faculty of Science and Engineering</level><level id="2">School of Engineering and Applied Sciences - Sport and Exercise Sciences</level></path><authors><author><firstname>GEORGINA</firstname><surname>SAUNDERS</surname><order>1</order></author></authors><documents><document><filename>62583__26481__0e92ba1b0c85425e8aed54f8f2631781.pdf</filename><originalFilename>Saunders_Georgina_MSc_Research_Thesis_Final_Redacted_Signature.pdf</originalFilename><uploaded>2023-02-06T12:12:39.4979600</uploaded><type>Output</type><contentLength>942232</contentLength><contentType>application/pdf</contentType><version>E-Thesis – open access</version><cronfaStatus>true</cronfaStatus><documentNotes>Copyright: The author, Georgina Saunders, 2023.</documentNotes><copyrightCorrect>true</copyrightCorrect><language>eng</language></document></documents><OutputDurs/></rfc1807>
spelling	2023-02-06T12:20:23.8309574 v2 62583 2023-02-06 A Comparison of Worst Case Scenario Running Demands Between U20 and Senior Elite Rugby Union Players 8e268c801af36279d5a753801baac650 GEORGINA SAUNDERS GEORGINA SAUNDERS true false 2023-02-06 Introduction. Previous research has analysed the Worst Case Scenario (WCS) running demands in Elite senior Rugby Union and U20 Rugby Union separately, but no study has researched the difference in WCS running demands between the two. Multiple studies have analysed the Total Distance (TD) and High-Speed Running (HSR) distance covered by positions in Rugby Union but have not analysed the WCS HSR and TD demands. Analysing these demands can aid coaches in creating training sessions to optimally prepare the players for match demands. Methodology. This study analysed the differences in WCS TD and HSR demands between U20 and Elite senior international Rugby Union players. Data was collected from the French, Georgian and English senior rugby teams (n=146) and from the English U20 Rugby Union players (n=43). All players wore 10Hz Catapult or StatSports GPS units. The players were split into forwards (F) and backs (B), and then further categorised into positional subgroups (FR = front row; SR = second row; BR = back row; HB = halfback; MF = midfield; B3 = back-three). The metrics measured were total distance, relative metres per minute, high-speed running, and high-speed running metres per minute. Results. Overall, the study demonstrated that the U20s had higher WCS running demands than the seniors. The backs consistently had higher WCS running demands across all epochs when compared to the forwards. The results demonstrated for HSR WCS demands, there was a significant difference between Elite Seniors and U20s (p<0.001), between Elite senior and U20 forwards and backs (p<0.001), and, between different positional groups (p<0.001). Additionally, for HSR WCS demands, there was a 15% difference between seniors and U20s at 600s epoch. When analysing HSR m/min WCS demands, there was a significant difference between seniors and U20 (p<0.001), forwards and backs (p<0.001) and positional groups (p<0.001). For TD WCS demands, there was a significant difference between seniors and U20 (p<0.001), forwards vs backs (p<0.001), and positional group (p = 0.003). The difference between forwards and backs were all less than 10%. There was also a significant difference for relative m/min between seniors and U20s (p<0.001), forwards vs backs (p<0.001), and positional groups (p<0.001). Conclusion. This study demonstrates the different WCS running demands of U20s and Elite senior international rugby players, and the different WCS running demands between forwards, backs, and other positional subgroups. This novel study into men’s Rugby Union provides new insight into the elite game and will support coaches in creating training sessions in which players reach their WCS running demands, that reflect the demands of optimal match performance. This study will also support coaches in developing training sessions to transition U20 players to the increased WCS running demands in senior rugby. E-Thesis Swansea Rugby Union, Running demands, worse case scenario 25 1 2023 2023-01-25 COLLEGE NANME COLLEGE CODE Swansea University Kilduff, Liam Master of Research MSc by Research 2023-02-06T12:20:23.8309574 2023-02-06T11:26:43.7778578 Faculty of Science and Engineering School of Engineering and Applied Sciences - Sport and Exercise Sciences GEORGINA SAUNDERS 1 62583__26481__0e92ba1b0c85425e8aed54f8f2631781.pdf Saunders_Georgina_MSc_Research_Thesis_Final_Redacted_Signature.pdf 2023-02-06T12:12:39.4979600 Output 942232 application/pdf E-Thesis – open access true Copyright: The author, Georgina Saunders, 2023. true eng
title	A Comparison of Worst Case Scenario Running Demands Between U20 and Senior Elite Rugby Union Players
spellingShingle	A Comparison of Worst Case Scenario Running Demands Between U20 and Senior Elite Rugby Union Players GEORGINA SAUNDERS
title_short	A Comparison of Worst Case Scenario Running Demands Between U20 and Senior Elite Rugby Union Players
title_full	A Comparison of Worst Case Scenario Running Demands Between U20 and Senior Elite Rugby Union Players
title_fullStr	A Comparison of Worst Case Scenario Running Demands Between U20 and Senior Elite Rugby Union Players
title_full_unstemmed	A Comparison of Worst Case Scenario Running Demands Between U20 and Senior Elite Rugby Union Players
title_sort	A Comparison of Worst Case Scenario Running Demands Between U20 and Senior Elite Rugby Union Players
author_id_str_mv	8e268c801af36279d5a753801baac650
author_id_fullname_str_mv	8e268c801af36279d5a753801baac650_***_GEORGINA SAUNDERS
author	GEORGINA SAUNDERS
author2	GEORGINA SAUNDERS
format	E-Thesis
publishDate	2023
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 - Sport and Exercise Sciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Sport and Exercise Sciences
document_store_str	1
active_str	0
description	Introduction. Previous research has analysed the Worst Case Scenario (WCS) running demands in Elite senior Rugby Union and U20 Rugby Union separately, but no study has researched the difference in WCS running demands between the two. Multiple studies have analysed the Total Distance (TD) and High-Speed Running (HSR) distance covered by positions in Rugby Union but have not analysed the WCS HSR and TD demands. Analysing these demands can aid coaches in creating training sessions to optimally prepare the players for match demands. Methodology. This study analysed the differences in WCS TD and HSR demands between U20 and Elite senior international Rugby Union players. Data was collected from the French, Georgian and English senior rugby teams (n=146) and from the English U20 Rugby Union players (n=43). All players wore 10Hz Catapult or StatSports GPS units. The players were split into forwards (F) and backs (B), and then further categorised into positional subgroups (FR = front row; SR = second row; BR = back row; HB = halfback; MF = midfield; B3 = back-three). The metrics measured were total distance, relative metres per minute, high-speed running, and high-speed running metres per minute. Results. Overall, the study demonstrated that the U20s had higher WCS running demands than the seniors. The backs consistently had higher WCS running demands across all epochs when compared to the forwards. The results demonstrated for HSR WCS demands, there was a significant difference between Elite Seniors and U20s (p<0.001), between Elite senior and U20 forwards and backs (p<0.001), and, between different positional groups (p<0.001). Additionally, for HSR WCS demands, there was a 15% difference between seniors and U20s at 600s epoch. When analysing HSR m/min WCS demands, there was a significant difference between seniors and U20 (p<0.001), forwards and backs (p<0.001) and positional groups (p<0.001). For TD WCS demands, there was a significant difference between seniors and U20 (p<0.001), forwards vs backs (p<0.001), and positional group (p = 0.003). The difference between forwards and backs were all less than 10%. There was also a significant difference for relative m/min between seniors and U20s (p<0.001), forwards vs backs (p<0.001), and positional groups (p<0.001). Conclusion. This study demonstrates the different WCS running demands of U20s and Elite senior international rugby players, and the different WCS running demands between forwards, backs, and other positional subgroups. This novel study into men’s Rugby Union provides new insight into the elite game and will support coaches in creating training sessions in which players reach their WCS running demands, that reflect the demands of optimal match performance. This study will also support coaches in developing training sessions to transition U20 players to the increased WCS running demands in senior rugby.
published_date	2023-01-25T04:22:18Z
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score	11.036706

A Comparison of Worst Case Scenario Running Demands Between U20 and Senior Elite Rugby Union Players / GEORGINA SAUNDERS

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