踇外翻矫形概要课件

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1、HalluxValgusHalluxValgusLateraldeviationofthegreattoeandmedialdeviationofthefirstmetatarsalProgressivesubluxationofthefirstmetatarsophalangeal(MTP)jointHalluxValgusStaticdeformityduetovalgusangulationofthedistalarticularsurfaceofthefirstmetatarsalortheproximalphalangealarticularsurface.Pathop

2、hysiologyofDeformitynosinglecausegeneralizedligamentouslaxityfootwearfemalesexfamilyhistoryintrinsicoranatomicconditionsextrinsiccausesPathophysiology-ExtrinsicAlmostexclusivelyinshoe-wearingsocietiesCoughlinMJ,ThompsonFM:Thehighpriceofhigh-fashionfootwear,inJacksonDW(ed):InstructionalCourseL

3、ectures44.Rosemont,IL,AmericanAcademyofOrthopaedicSurgeons,1995,pp371-377.PathophysiologySimFookL,HodgsonAR:Acomparisonoffootformsamongthenon-shoeandshoe-wearingChinesepopulation.JBoneJointSurg1958;40A:1058-1062KatoT,WatanabeS:TheetiologyofhalluxvalgusinJapan.ClinOrthop1981;157:78-81Pathophys

4、iology-IntrinsicPronationoftheHindfootInmanVT:Halluxvalgus:Areviewofetiologicfactors.OrthopClinNorthAm1974;5:59-66.HohmannG:DerhalluxvalgusunddieubrigenZehenverkrummungenErgeben.ChirOrthop1925;18:308-376Pathophysiology-IntrinsicPesplanus-allowspronationof1stMTanddecreasestheeffectoftheabducto

5、r--reported50%incidenceMetatarsusPrimusVarus-lateraldeviationofMTPContractureoftheAchillestendonGeneralizedjointlaxityHypermobilityofthefirstmetatarsocuneiformjointNeuromusculardisorders(includingcerebralpalsyandstroke).Pathophysiology-HeredityHardyandClaphamnotedthat63%ofthe91patientsintheir

6、serieshadaparentwhohadhalluxvalgusCoughlinreportedthatabunionwasidentifiedin94%of31mothersofchildrenwhohadhalluxvalgus.AnatomyTheGreattoeisdifferentthanlessertoesSesamoidmechanismAsetofintrinsicmusclesthatstabilizethejointandprovidemotorstrengthtothefirstrayAnatomyFourgroupsthatencirclethefir

7、stMTPjointExtensorhallucislongusandbrevisFlexorhallucislongusandbrevisAbductorAdductorAnatomyLongandShortFlexorsHoodligamentsMedialandLateralHeadsoftheFlexorHallucisBrevisinsertingintotheMedialandLateralSesamoids.AnatomyPlantarPlate2seasmoids