Biomechanical risk factors of non-contact ACL injuries:A stochastic biomechanical modeling study

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摘要 <正>Background:Significanteffortshavebeenmadetoidentifymodifiableriskfactorsofnon-contactanteriorcruciateligament(ACL)injuriesinmaleandfemaleathletes.However,currentliteratureontheriskfactorsforACLinjuryarepurelydescriptive.Anunderstandingofbiomechanicalrelationshipbetweenriskandriskfactorsofthenon-contactACLinjuryisnecessarytodevelopeffectivepreventionprograms.Purpose:Tocomparelowerextremitykinematicsandkineticsbetweentrialswithandwithoutnon-contactACLinjuriesandtodetermineifanydifferenceexistsbetweenmaleandfemaletrialswithnon-contactACLinjuriesregardingthelowerextremitymotionpatterns.Methods:Inthiscomputersimulationstudy,astochasticbiomechanicalmodelwasusedtoestimatetheACLloadingatthetimeofpeakposteriorgroundreactionforce(GRF)duringlandingofthestop-jumptask.MonteCarlosimulationswereperformedtosimulatetheACLinjurieswithrepeatedrandomsamplesofindependentvariables.Thedistributionsofindependentvariablesweredeterminedfrominvivolaboratorydataof40maleand40femalerecreationalathletes.Results:Inthesimulatedinjuredtrials,bothmaleandfemaleathleteshadsignificantlysmallerkneeflexionangles,greaternormalizedpeakposteriorandverticalGRF.greaterkneevalgusmoment,greaterpatellatendonforce,greaterquadricepsforce,greaterkneeextensionmoment.andgreaterproximaltibiaanteriorshearforceincomparisontothesimulateduninjuredtrials.Nosignificantdifferencewasfoundbetweengendersinanyoftheselectedbiomechanicalvariablesinthetrialswithsimulatednon-contactACLinjuries.Conclusion:Smallkneeflexionangle,largeposteriorGRF.andlargekneevalgusmomentareriskfactorsofnon-contactACLinjurydeterminedbyastochasticbiomechanicalmodelwithacause-and-effectrelationship.
机构地区 不详
出版日期 2012年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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