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How much rugby is too much? A seven-season prospective cohort study of match exposure and injury risk in professional Rugby Union players


Reference:

Williams, S., Trewartha, G., Kemp, S., Brooks, J. H. M., Fuller, C. W., Taylor, A. E., Cross, M., Shaddick, G. and Stokes, K., 2017. How much rugby is too much? A seven-season prospective cohort study of match exposure and injury risk in professional Rugby Union players. Sports Medicine

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    Official URL:

    https://doi.org/10.1007/s40279-017-0721-3

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    Abstract

    Objectives: To investigate the influence that match exposure has upon injury risk in Rugby Union. Method: A seven-season (2006/7 2012/13) prospective cohort study of time-loss injuries in 1253 English Premiership professional players was conducted. Players’ 12-month match exposure (number of matches a player was involved in for ≥20 mins in the preceding 12 months) and 1-month match exposure (number of full-game equivalent [FGE] matches in preceding 30 days) were assessed as risk factors for injury using a nested frailty model and magnitude-based inferences. Results: Twelve-month match exposure was associated with injury risk in a non linear fashion, with players who had been involved in less than ≈15 or greater than ≈35 matches over the preceding 12-month period being more susceptible to injury. Monthly match exposure was linearly associated with injury risk (hazard ratio [HR]: 1.14 per 2-SD [3.2 FGE] increase, 90% CI: 1.08 1.20; likely harmful), although this effect was substantially attenuated for players in the upper quartile for 12-month match exposures (>28 matches). Conclusion: A player’s accumulated (12-month) and recent (1-month) match exposure substantially influences their current injury risk. Careful attention should be paid to planning the workloads and monitoring the responses of players involved in a: 1) high (>≈35) number of matches in the previous year; 2) low (<≈15) number of matches in the previous year; 3) low-moderate number of matches in previous year but who have played intensively in the recent past. These findings make a major contribution to evidence-based policy decisions regarding match workload limits in professional Rugby Union.

    Details

    Item Type Articles
    CreatorsWilliams, S., Trewartha, G., Kemp, S., Brooks, J. H. M., Fuller, C. W., Taylor, A. E., Cross, M., Shaddick, G. and Stokes, K.
    DOI10.1007/s40279-017-0721-3
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    URLURL Type
    https://doi.org/10.1007/s40279-017-0721-3Free Full-text
    DepartmentsFaculty of Humanities & Social Sciences > Health
    Faculty of Science > Mathematical Sciences
    Research Centres & Institutes > Bath Institute for Mathematical Innovation
    Research CentresEPSRC Centre for Doctoral Training in Statistical Mathematics (SAMBa)
    RefereedYes
    StatusPublished
    ID Code54936

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