Match demands of Senior and Junior players during International Rugby League

Gary M. Dempsey, Neil V. Gibson, Dave Sykes, Brad Pryjmachuk, Anthony P. Turner

Research output: Contribution to journalArticle

10 Citations (Scopus)
20 Downloads (Pure)

Abstract

This study aims to quantify and compare the positional game demands of international junior and senior rugby league competition for the first time. Global Positioning System (GPS) and video analysis were used to track 118 elite male rugby league players (57 seniors aged 28.7 ± 4.4 y; 61 juniors aged 17.2 ± .5 y) over 10 international matches (6 senior; 4 junior) characterized as either forwards (n¬ = 67) or backs (n = 51). There were significant increases in the offensive carries (0.18 cf. 0.09 n.min-1; r = .56) and defensive tackles (0.36 cf. 0.23 n.min-1; r = .3) between senior and junior players, as well as forwards and backs (0.16 cf. 0.09; r = .34 and 0.41 cf. 0.14; r = .52) respectively. Running demands were significantly greater in backs than forwards (independent of playing level) for total distance (6962 ± 1263 m cf. 4879 ± 1824 m; r = .55), individualized high speed distances (310 ± 158 m cf. 250 ± 171 m; r = .2), high-intensity accelerations (28.7 ± 12.1 m·s-1 cf. 21.9 ± 11.7 m·s-1; r = .27) and decelerations (57.2 ± 18.3 m·s-1 cf. 43.0 ± 17.8 m·s-1; r = .38). Positional differences were eliminated when reported relative to minutes played. From a practical perspective, whilst running demands relative to time on the pitch may prepare junior players for senior competition, it is not representative of the increased body mass and contact frequency within the senior game. Coaches should therefore reflect these differences within their physical preparation programmes to prepare junior athletes accordingly for progression to the senior level.
Original languageEnglish
Pages (from-to)1678-1684
Number of pages7
JournalJournal of Strength and Conditioning Research
Volume32
Issue number6
Early online date9 Aug 2017
DOIs
Publication statusPublished - Jun 2018

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