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Analysis of physical demands during youth soccer match-play: Considerations of sampling method and epoch length
Doncaster, Greg Page, Richard White, Paul Svenson, Robert Twist, Craig
Doncaster, Greg
Page, Richard
White, Paul
Svenson, Robert
Twist, Craig
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2019-11-27
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Abstract
The purpose of this study was to examine the physical match profiles of professional soccer players using 3 and 5 min fixed and rolling averages as well as fixed 1 min averages, with considerations to training prescription. Twenty-nine, professional U23 soccer outfield players competed across 17 competitive matches during the 2017/18 season, equating to a total of 130 separate physical match profiles. Match activities were recorded using global positioning system (GPS) devices with integrated micro-electrical mechanical systems (MEMS), recording total distance (TD), high-speed running (HSR) and metabolic power (MP). For each individual match profile and variable, 1, 3 and 5 min peak, post-peak, and average values were calculated using fixed-time epochs (FIXED) and rolling averages (ROLL). Linear mixed models were employed to examine the differences in the dependent variables as a function of the method of measurement. Results revealed significantly higher peak values, for relative TD, relative HSR and relative MP when employing the ROLL sampling method, in comparison to the FIXED method, for both 3 min and 5 min epoch lengths. Analysis of epoch length revealed significantly higher peak values, across all positions, for relative TD, relative HSR and MP for 1 min epochs, in comparison to 3 min and 5 min epochs. The data offers a novel insight into the appropriate identification of physical demands during youth soccer match-play. Researchers and practitioners should consider the sampling method and epoch length when assessing the physical demands of competitive match-play, as well as when designing and prescribing sport-specific conditioning drills.
Citation
Doncaster, G., Page, R., White, P., Svenson, R., & Twist, C. (2019). Analysis of physical demands during youth soccer match-play: Considerations of sampling method and epoch length. Research Quarterly for Exercise and Sport, 91(2), 326-334. https://doi.org/10.1080/02701367.2019.1669766
Publisher
Taylor & Francis
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Research Quarterly for Exercise and Sport
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Article
Language
en
Description
This is an Accepted Manuscript of an article published by Taylor & Francis in Research Quarterly for Exercise and Sport on forthcoming, available online: https://doi.org/10.1080/02701367.2019.1669766
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ISSN
0270-1367
EISSN
2168-3824