摘要
Background:Preventinganteriorcruciateligament(ACL)injuriesisveryimportantforathletes,anddynamickneevalgusisconsideredariskfactorfornon-contactACLinjury.However,littleisknownaboutwhetherthefunctionsofthehipabductorandrear-footincreasedynamickneevalgus.Atwo-dimensional(2D)video-basedscreeningtestfocusedonhipabductorandrear-footfunctionsamongfactorsinvolvedindynamickneevalgus.Thepresentstudydeterminedassociationsbetweenhipandrear-footdynamicalignmentanddynamickneevalgus.Methods:Thiscross-sectionalstudyrecruited130femalebasketballplayers(258legs)fromninehigh-schoolteams.Theplayersperformedsingle-legsquatsandsingle-legdroplandingstoprovideknee-in(KID)andhip-out(HOD)distanceson2Dvideoimages.Hipandrear-footdynamicalignmentwasevaluatedusingadynamicTrendelenburgtest(DTT)andadynamicheel-floortest(HFT).Results:TheChi-squaretestrevealednosignificantdifferenceintheprevalenceofDTT-positivitybetweensingle-legsquats(28.7%)andsinglelegdroplandings(23.3%).TheprevalenceofHFT-positivitywassignificantlygreaterduringlandings(51.4%)thanduringsingle-legsquats(31.0%,p<0.01).TheKIDvaluesforbothsingle-legsquatsandsingle-legdroplandingsweregreaterintheDTT-positivethanintheDTTnegativegroup(15.15.4cmand20.27.5cm,p<0.001).TheHODvaluesweresimilarlygreaterintheDTT-positivegroup(15.21.9cmand17.62.8cm,p<0.001).TheKIDvaluesforbothsingle-legsquatsandsingle-legdroplandingsweregreaterintheHFT-positivethanintheHFT-negativegroup(12.25.1cm,p<0.01;14.77.2cm,p<0.001),whereasHODvaluesforthesetasksdidnotsignificantlydifferbetweenthetwogroups.Conclusion:Dynamichipmal-alignmentmightbeassociatedwithbothgreaterKIDandHOD,whereasrear-footeversionisassociatedonlywithgreaterKID.Hipabductorandrear-footdysfunctionareimportantfactorsfordynamickneevalgusandthusevaluatingDTTandHFTwi
出版日期
2015年02月12日（中国期刊网平台首次上网日期，不代表论文的发表时间）
