踝关节生物力学课件

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1、AnatomyandevaluationoftheankleAthleticTrainingEducationProgramAnkleAnatomicalStructuresTibiaFibularTalusTibia胫骨Thisisthestrongestlargestboneofthelowerleg.Itbearsweightandthebonecreatesthemedialmalleoli(thebumpontheinsideofyourankle)whichisthemedialaspectofthem

2、ortiseorthe(hole)thatthetaluslieswithin.这是最强壮的小腿骨。它具有承重和形成了内侧支撑面(组成脚踝的凹面)，能与距骨相契合TheTibiaisthemedialboneandlargestboneofthelowerleg.Tibia胫骨是小腿的最大和支撑骨的骨头。Fibula腓骨Thisisasmallerlateralboneofthelowerleg.Itisnotvitalforweightbearingyetitcomprisesthelateral(outside

3、)aspectofthemalleoliandmakesupthelateralaspectofthemortise.这是小腿的一根更小的外侧骨头。它不承重，它是踝关节的外侧支撑面。Fibula--->Thefibulaislongerandnonweightbearing.Itmakesupthelateralaspectofthemortise.Thelateralmalleoliliesinferior(below)themedialmalleoli它比较长和不承重。并组成踝关节外侧面。并低于内侧面_____

4、__________________TalusThisbonetransmitstheforcesfromthecalcaneusupintothetibiaandalsoallowsthearticulationsofPlantarFlexion(pointingthefootdownward)DorsiflexionorpullingthefootupwardandInversion(rollingthefootinward)andEversion(rollingthefootoutward)------Ta

5、lusTalocruralJointTheformationofthemortise(ahole)bythemedialmalleoli(Tibia)andlateralmalleoli(fibula)withthetaluslyinginbetweenthemmakesupthetalocruraljoint.Thisisahingejointandallowsmostofthemotionwithplantarflexionanddorsiflexion.____________________________

6、____TalocruralJt.SubtalarJointThearticulationbetweenthetalusandthecalcaneusisreferredtoasthesubtalarjoint.Motionallowedbythisjointisinversion(rollinward)/eversion(rolloutward)aswellasrearfootpronation(inwardtiltofthecalcaneus)andsupination(outwardtiltofthecalc

7、aneus).calcaneusTalus---SubtalarJointMedialaspectoffootAnkleLigamentsTherearethreelateralligamentspredominantlyresponsibleforthesupportandmaintenanceofboneapposition(bestpossiblefit).Theseligamentspreventinversionofthefoot.Theseligamentsare:Anteriortalofibula

8、rligamentCalcaneofibularligamentPosteriortalofibularligamentTalusFibulaTibiaAnt.TalofibularLigamentAnt.TibiofibularLig.Post.TibiofibularLig.<-Fibula<-Ant.TalofibularLig<-TalusPeron