Risks associated with significant head impact events in elite rugby union

Gregory J Tierney, John Lawler, Karl Denvir, Kurt McQuilkin, Ciaran K Simms

    Research output: Contribution to journalArticlepeer-review

    25 Citations (Scopus)

    Abstract

    Primary objectives: To conduct video and statistical analysis on Rugby Union play, focusing mainly on the tackle, to establish the player to player configurations for significant direct head impacts and non-direct head impacts.

    Research design: Quantitative, observational cohort study.

    Methods and procedures: Video analysis of 52 significant direct head impacts (31 Tackle, 10 Ruck, 7 Dive and 4 Ground) and 40 non-direct head impact tackles from 2014/15 International Rugby Union matches. Relative risk, 95% CI and p-values were calculated for a range of tackle variables.

    Main outcome and results: Upper body tackles and lower body tackles accounted for 37% (19) and 23% (12) of cases, respectively, with the tackler as the head impacted player for 97% (30) of cases. The majority (81%) of tackle-related significant direct head impacts occurred in the second half of the game, with 63% of upper body tackle significant direct head impacts occurring in the final quarter. Tackler head placement and high speed tackles had statistical significance for causing tackle related significant direct head impacts as well as foot planting and difference in tackler and ball carrier mass for upper body tackles and ball carrier change in direction for lower body tackles.

    Conclusion: Tackle variables that statistically increased the risk of significant direct head impact were identified, which can aid player protection strategies.
    Original languageEnglish
    Pages (from-to)1350-1361
    Number of pages12
    JournalBrain Injury
    Volume30
    Issue number11
    DOIs
    Publication statusPublished - 12 Aug 2016

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