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dc.contributor.authorDalen-Lorentsen, Torstein
dc.contributor.authorBjørneboe, John Andreas
dc.contributor.authorClarsen, Benjamin Matthew
dc.contributor.authorVagle, Markus
dc.contributor.authorFagerland, Morten
dc.contributor.authorAndersen, Thor Einar
dc.date.accessioned2021-01-15T13:33:17Z
dc.date.available2021-01-15T13:33:17Z
dc.date.created2020-10-16T12:29:42Z
dc.date.issued2020
dc.identifier.citationDalen-Lorentsen, T., Bjørneboe, J., Clarsen, B., Vagle, M., Fagerland, M. W., & Andersen, T. E. (2021). Does load management using the acute: chronic workload ratio prevent health problems? A cluster randomised trial of 482 elite youth footballers of both sexes. British Journal of Sports Medicine, 55(2), 108-114.en_US
dc.identifier.issn0306-3674
dc.identifier.urihttps://hdl.handle.net/11250/2723299
dc.description.abstractBackground: The acute:chronic workload ratio (ACWR) is commonly used to manage training load in sports, particularly to reduce injury risk. However, despite its extensive application as a prevention intervention, the effectiveness of load management using ACWR has never been evaluated in an experimental study. Aim: To evaluate the effectiveness of a load management intervention designed to reduce the prevalence of health problems among elite youth football players of both sexes. Methods: We cluster-randomised 34 elite youth football teams (16 females, 18 males) to an intervention group (18 teams) and a control group (16 teams). Intervention group coaches planned all training based on published ACWR load management principles using a commercially available athlete management system for a complete 10-month season. Control group coaches continued to plan training as normal. The prevalence of health problems was measured monthly in both groups using the Oslo Sports Trauma Research Centre Questionnaire on Health Problems. Results: The between-group difference in health problem prevalence (primary outcome) was 1.8%-points (−4.1 to 7.7 %-points; p=0.55) with no reduction in the likelihood of reporting a health problem in the intervention group (relative risk 1.01 (95% CI 0.91 to 1.12); p=0.84) compared with the control group. Conclusions: We observed no between-group difference, suggesting that this specific load management intervention was not successful in preventing health problems in elite youth footballers.en_US
dc.language.isoengen_US
dc.rightsNavngivelse-Ikkekommersiell 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/deed.no*
dc.titleDoes load management using the acute:chronic workload ratio prevent health problems? A cluster randomised trial of 482 elite youth footballers of both sexesen_US
dc.typePeer revieweden_US
dc.typeJournal articleen_US
dc.description.versionacceptedVersionen_US
dc.rights.holder© Author(s) (or their employer(s)) 2021. No commercial re-use. See rights and permissions. Published by BMJ.en_US
dc.source.pagenumber108-114en_US
dc.source.volume55en_US
dc.source.journalBritish Journal of Sports Medicineen_US
dc.source.issue2en_US
dc.identifier.doihttps://doi.org/10.1136/bjsports-2020-103003
dc.identifier.cristin1840131
cristin.ispublishedtrue
cristin.fulltextpostprint
cristin.qualitycode2


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Navngivelse-Ikkekommersiell 4.0 Internasjonal
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