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1、GROSSANATOMYOFTHEFOREARMChenyonghuaMainMenuBonesoftheforearm.Superficialmusclesoftheanteriorcompartment.Deepmusclesoftheanteriorcompartment.Arteriesandnervesoftheanteriorcompartment.Superficialmusclesoftheposteriorcompartment.Deepmusclesoftheposteriorcompartm
2、ent.Arteriesandnervesoftheposteriorcompartment.AcknowledgementsBonesoftheforearmTheradiusproximallyarticulateswiththehumerusattheelbowjoint.Distallyitarticulateswiththescaphoidandlunatebonesofthecarpus,andwiththeulnaatthedistalradioulnarjoint.Theulnaisthemore
3、medialofthetwobones.Itsproximalendarticulateswiththehumerusattheelbowjoint.Distallyitarticulateswiththeradius.Itisexcludedfromthewristjointbythearticulardisc.Theinterosseousmembranebindtheradiusandtheulnatogether.HeadInterosseousmembraneRadiusHumerusTuberosit
4、yofradiusUlnaHeadFig1.Anteriorviewofbonesoftheforearm.總體記憶前臂共有18塊肌肉分為屈肌與伸肌二部分屈肌8塊分為淺層與深層淺層有5塊深層有3塊伸肌10塊淺深各5塊前臂8塊屈肌淺層5塊旋前圓肌橈側(cè)屈腕肌掌長(zhǎng)肌指淺屈肌尺側(cè)屈腕肌Superficialmusclesoftheanteriorcompartment.Titlepage.1234Thesuperficialmusclesoftheanteriorcompartmentincludepronatorter
5、es,flexorcarpiradialis,palmarislongus,andflexorcarpiulnaris.Alsoincludedinthisgroupisflexordigitorumsuperficialis.Thesuperficialgroupofmusclesallhavethesameorigin,whichisattachedtothemedialepicondyleofthehumerus.FORFURTHERDETAILSCLICKONEACHINDIVIDUALMUSCLEBEL
6、OW.PronatorteresFlexorcarpiradialisFlexorcarpiulnarisFlexordigitorumsuperficialisPalmarislongus(notincludedinthediagram).Fig2.Showingsuperficialmusclesoftheposteriorcompartment.Brachio-radialisReturntomainmenuPronatorTeresThepronatortereshastwoheads,thehumera
7、lheadandtheulnarhead.Themediannerveenterstheforearmbetweenthetwoheads.Origin:-Humeralhead-Medialepicondyleofthehumerus.Ulnarhead-Medialborderofthecoronoidprocessoftheulna.Insertion:-Lateralaspectoftheshaftoftheradius.Nervesupply:-Mediannerve,C6andC7.Action:-P
8、ronationoftheforearm.Flexionoftheforearm.PronatorteresRadiusFig3.Pronatorteres.ReturntotitlepageFlexorcarpiradialis,palmarislongus,andflexorcarpiulnarisFlexorcarpiradialisOrigin:-Medialep