Analysis of physical demands during youth soccer match-play: Considerations of sampling method and epoch length

GREG DONCASTER, RICHARD PAGE, Paul White, Robert Svenson, Craig Twist

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Purpose: 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. Methods: 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: 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. Conclusions: 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.

Original languageEnglish
Pages (from-to)326-334
Number of pages9
JournalResearch Quarterly for Exercise and Sport
Volume91
Issue number2
Early online date27 Nov 2019
DOIs
Publication statusPublished - 2 Apr 2020

Keywords

  • Small-Sided-Games
  • GPS
  • Monitoring Performance
  • Conditioning
  • conditioning
  • monitoring performance

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