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Repeated High-Intensity Effort Activity in International Male Rugby Sevens

Abstract : Rugby Sevens is characterized by repeated high-intensity accelerations, sprinting, and collisions, commonly referred to as repeated high-intensity effort (RHIE) activity. Although repeated acceleration and sprinting activity of Rugby Sevens has been investigated, to date, no study has investigated the repeated running and collision activity of international Rugby Sevens during competitive events. In this study, 15 elite players competed in 44 matches during the HSBC World Sevens Series. Global positioning systems and match analysis software were used to quantify the frequency of repeated running and collision efforts. High acceleration ($2.5 m$s22), high speed (above maximal aerobic speed), sprint (above 85% of maximal sprint speed), and collision efforts (tackles, ruck, and contact) were considered as high-intensity effort activities. An RHIE bout was defined as 3 or more high-intensity efforts with less than 21 seconds recovery between efforts. The difference between positional groups (forward and backs) and first and second halves was compared using magnitude-based inferential statistics. One hundred twelve individual match observations were analyzed. On average, players performed 27 high-intensity effort events across the game. The distribution of highintensity efforts included the following: 37% collisions, 34% accelerations, 27.5% high-velocity running, and 1.5% sprints. An average of 3.7 RHIE bouts was performed per player. The difference in high-intensity efforts and number of RHIE bouts performed were trivial/small when compared between first and second halves, and between forward and back positional groups. Repeated high-intensity effort bouts play an important role in the activity profile of elite Rugby Sevens players. This study could provide a framework for performance analysts and coaches to analyze match-related performance of elite Rugby Sevens players, taking into account both the high-intensity running and collision components of the game. Coaches should implement training interventions to ensure the maintenance of RHIE performance during competitive events.
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Contributeur : Valérie Quaireau <>
Soumis le : mercredi 29 avril 2020 - 14:24:36
Dernière modification le : vendredi 26 mars 2021 - 10:44:02




Anthony Couderc, Tim Gabbett, Julien Piscione, Julien Robineau, Alexis Peeters, et al.. Repeated High-Intensity Effort Activity in International Male Rugby Sevens. Journal of Strength and Conditioning Research, Lippincott, Williams & Wilkins, 2020, pp.1. ⟨10.1519/JSC.0000000000002986⟩. ⟨hal-02558277⟩



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