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dc.contributor.authorDe Ste Croix, M. B. A.
dc.contributor.authorPriestley, A. M.
dc.contributor.authorLloyd, Rhodri S.
dc.contributor.authorOliver, Jon
dc.date.accessioned2016-04-04T08:39:32Z
dc.date.available2016-04-04T08:39:32Z
dc.date.issued2015
dc.identifier.citationDe Ste Croix, M. B. A., Priestley, A. M., Lloyd, R. S. and Oliver, J. L. (2015) 'ACL injury risk in elite female youth soccer: changes in neuromuscular control of the knee following soccer-specific fatigue', Scandinavian Journal of Medicine & Science in Sports, 25 (5), e531–e538. doi: 10.1111/sms.12355en_US
dc.identifier.issn0905-7188
dc.identifier.urihttp://hdl.handle.net/10369/7830
dc.descriptionThis article was published in Scandinavian Journal of Medicine and Science in Sports on 30 December 2014 (online), available at http://dx.doi.org/10.1111/sms.12355en_US
dc.description.abstractFatigue is known to influence dynamic knee joint stability from a neuromuscular perspective, and electromechanical delay (EMD) plays an important role as the feedback activation mechanism that stabilizes the joint. The aim of this study was to investigate the influence of soccer-specific fatigue on EMD in U13-, U15-, and U17-year-old female soccer players. Thirty-six youth soccer players performed eccentric actions of the hamstrings in a prone position at 60, 120, and 180°/s before and after a soccer-specific fatigue trial. Surface electromyography was used to determine EMD from the semitendinosus, biceps femoris and gastrocnemius. A time × age × muscle × velocity repeated measures analysis of variance was used to explore the influence of fatigue on EMD. A significant main effect for time (P = 0.001) indicated that EMD was significantly longer post- compared with pre-fatigue (58.4% increase). A significant time × group interaction effect (P = 0.046) indicated EMD was significantly longer in the U13 age group compared with the U15 (P = 0.011) and U17 (P = 0.021) groups and greater post-fatigue. Soccer-specific fatigue compromised neuromuscular feedback mechanisms and the age-related effects may represent a more compliant muscle-tendon system in younger compared with older girls, increasing risk of injury.en_US
dc.description.sponsorshipThis study received grant funding support from the Union of European Football Associations (UEFA) Research Grant Programme.en_US
dc.language.isoenen_US
dc.publisherJohn Wiley & Sons Ltden_US
dc.relation.ispartofseriesScandinavian Journal of Medicine and Science in Sports
dc.rightsNon-Commercial
dc.subjectneuromuscularen_US
dc.subjectkneeen_US
dc.subjectfatigueen_US
dc.subjectfemaleen_US
dc.subjectyouthen_US
dc.titleACL injury risk in elite female youth soccer: Changes in neuromuscular control of the knee following soccer-specific fatigueen_US
dc.typeArticleen_US
dc.identifier.doihttp://dx.doi.org/10.1111/sms.12355
dc.date.dateAccepted2014-10-03


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