Peak movement and collision demands of professional rugby league competition

Journal article


Johnston, Rich D., Weaving, Dan, Hulin, Billy T., Till, Kevin, Jones, Ben and Duthie, Grant. (2019). Peak movement and collision demands of professional rugby league competition. Journal of Sports Sciences. 37(18), pp. 2144 - 2151. https://doi.org/10.1080/02640414.2019.1622882
AuthorsJohnston, Rich D., Weaving, Dan, Hulin, Billy T., Till, Kevin, Jones, Ben and Duthie, Grant
Abstract

To quantify the peak movement and contact demands of National Rugby League (NRL) and European Super League (ESL) competition players were tracked during 10 NRL (166 files) and 10 ESL (143 files) matches using microtechnology devices. The peak 1- to 5-min periods were then calculated for average match speed (m·min−1), and acceleration (m·s−2) when 0, 1, 2, and ≥3 collisions per min occurred. Linear mixed effect models and Cohen’s effect size statistic (± 90%CI) were used to determine the differences in movement profiles when collisions occurred. Compared to no collision periods, as frequency of collisions per minute increased, there were progressive reductions in running speed for most positional groups. The addition of 1 or more collisions per min resulted in average effect size reductions in match speed of −0.14 for NRL forwards, −0.89 for NRL backs, −0.48 for ESL forwards, and −2.41 for ESL backs. ESL forwards had the highest frequency of peak periods involving 3 or more collisions per min, 22% of all periods, followed by NRL forwards (14%), NRL backs (10%) and ESL backs (8%). This study highlights the peak movement and collision demands of professional rugby league competition and allows practitioners to develop training drills that reflect worst case scenarios.

KeywordsGPS; microtechnology; activity profiles; moving average; contact; acceleration
Year2019
JournalJournal of Sports Sciences
Journal citation37 (18), pp. 2144 - 2151
PublisherTaylor & Francis
ISSN0264-0414
Digital Object Identifier (DOI)https://doi.org/10.1080/02640414.2019.1622882
Scopus EID2-s2.0-85066881310
Page range2144 - 2151
Research GroupSports Performance, Recovery, Injury and New Technologies (SPRINT) Research Centre
Publisher's version
File Access Level
Controlled
Place of publicationUnited Kingdom
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