前臂解剖

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1、GROSSANATOMYOFTHEFOREARMChenyonghuaMainMenuBonesoftheforearm.Superficialmusclesoftheanteriorcompartment.Deepmusclesoftheanteriorcompartment.Arteriesandnervesoftheanteriorcompartment.Superficialmusclesoftheposteriorcompartment.Deepmusclesoftheposteriorc

2、ompartment.Arteriesandnervesoftheposteriorcompartment.AcknowledgementsBonesoftheforearmTheradiusproximallyarticulateswiththehumerusattheelbowjoint.Distallyitarticulateswiththescaphoidandlunatebonesofthecarpus,andwiththeulnaatthedistalradioulnarjoint.Th

3、eulnaisthemoremedialofthetwobones.Itsproximalendarticulateswiththehumerusattheelbowjoint.Distallyitarticulateswiththeradius.Itisexcludedfromthewristjointbythearticulardisc.Theinterosseousmembranebindtheradiusandtheulnatogether.HeadInterosseousmembraneR

4、adiusHumerusTuberosityofradiusUlnaHeadFig1.Anteriorviewofbonesoftheforearm.总体记忆前臂共有18块肌肉分为屈肌与伸肌二部分屈肌8块分为浅层与深层浅层有5块深层有3块伸肌10块浅深各5块前臂8块屈肌浅层5块旋前圆肌桡侧屈腕肌掌长肌指浅屈肌尺侧屈腕肌Superficialmusclesoftheanteriorcompartment.Titlepage.1234Thesuperficialmusclesoftheanteriorc

5、ompartmentincludepronatorteres,flexorcarpiradialis,palmarislongus,andflexorcarpiulnaris.Alsoincludedinthisgroupisflexordigitorumsuperficialis.Thesuperficialgroupofmusclesallhavethesameorigin,whichisattachedtothemedialepicondyleofthehumerus.FORFURTHERDE

6、TAILSCLICKONEACHINDIVIDUALMUSCLEBELOW.PronatorteresFlexorcarpiradialisFlexorcarpiulnarisFlexordigitorumsuperficialisPalmarislongus(notincludedinthediagram).Fig2.Showingsuperficialmusclesoftheposteriorcompartment.Brachio-radialisReturntomainmenuPronator

7、TeresThepronatortereshastwoheads,thehumeralheadandtheulnarhead.Themediannerveenterstheforearmbetweenthetwoheads.Origin:-Humeralhead-Medialepicondyleofthehumerus.Ulnarhead-Medialborderofthecoronoidprocessoftheulna.Insertion:-Lateralaspectoftheshaftofthe

8、radius.Nervesupply:-Mediannerve,C6andC7.Action:-Pronationoftheforearm.Flexionoftheforearm.PronatorteresRadiusFig3.Pronatorteres.ReturntotitlepageFlexorcarpiradia