Repeated high-intensity exercise in professional rugby union

Austin, Damien, Gabbett, Tim and Jenkins, David (2011) Repeated high-intensity exercise in professional rugby union. Journal of Sports Sciences, 29 10: 1105-1112. doi:10.1080/02640414.2011.582508

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Author Austin, Damien
Gabbett, Tim
Jenkins, David
Title Repeated high-intensity exercise in professional rugby union
Journal name Journal of Sports Sciences   Check publisher's open access policy
ISSN 0264-0414
Publication date 2011-07
Sub-type Article (original research)
DOI 10.1080/02640414.2011.582508
Volume 29
Issue 10
Start page 1105
End page 1112
Total pages 8
Place of publication Oxon, United Kingdom
Publisher Routledge
Collection year 2012
Language eng
Abstract The aim of the present study was to describe the frequency, duration, and nature of repeated high-intensity exercise in Super 14 rugby union. Time–motion analysis was used during seven competition matches over the 2008 and 2009 Super 14 seasons; five players from each of four positional groups (front row forwards, back row forwards, inside backs, and outside backs) were assessed (20 players in total). A repeated high-intensity exercise bout was considered to involve three or more sprints, and/or tackles and/or scrum/ruck/maul activities within 21 s during the same passage of play. The range of repeated high-intensity exercise bouts for each group in a match was as follows: 11–18 for front row forwards, 11–21 for back row forwards, 13–18 for inside backs, and 2–11 for outside backs. The durations of the most intense repeated high-intensity exercise bouts for each position ranged from 53 s to 165 s and the minimum recovery periods between repeated highintensity exercise bouts ranged from 25 s for the back row forwards to 64 s for the front row forwards. The present results show that repeated high-intensity exercise bouts vary in duration and activities relative to position but all players in a game will average at least 10 changes in activity in the most demanding bouts and complete at least one tackle and two sprints. The most intense periods of activity are likely to last as long as 120 s and as little as 25 s recovery may separate consecutive repeated high-intensity exercise bouts. The present findings can be used by coaches to prepare their players for the most demanding passages of play likely to be experienced in elite rugby union.
Keyword Time-motion analysis
Repeated sprints
Rugby union
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2012 Collection
School of Human Movement and Nutrition Sciences Publications
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Citation counts: TR Web of Science Citation Count  Cited 26 times in Thomson Reuters Web of Science Article | Citations
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Created: Fri, 15 Jul 2011, 11:10:47 EST by Dr David Jenkins on behalf of School of Human Movement and Nutrition Sciences