局部解剖学 3 Regional anatomy of the upper limb for 8yrs 学习资料.ppt

Regionalanatomyofupperlimb丁兆习山东大学医学院人体解剖学教研室Office:1205dingzhaoxi@sdu.edu.cnPartsandregions

Shoulderregion－junctionofarmandtrunkArm－betweenshouldandelbowElbow－bendofarm,jointbetweenarmandforearmForearm－betweenelbowandhandHand★SurfaceanatomyShoulderregion:acromion,spineofscapula,coracoidprocess,greatertubercle,anteriorandposterioraxillaryfoldsArm:medialandlateralbicepsbrachiifurrow,deltoidtuberosityElbow:medialandlateralepicondylesofhumerus,headofradius,olecranon,tendonofbicepsbrachiiForearmHand:styloidprocess,dorsaltubercleMensuration?Carringangle提携角Whentheelbowisextendedwiththeforearmsupinated(anatomicalposition),theforearmisdirectedsomewhatlaterally,formingacarryingangleofabout10o~15o.Thesupplementaryangleisabout165ointhefemaleand175ointhemale直肘straightelbow：carryingangleisbetween0o~10o。肘内翻inversionofelbow：carryingangleissmallerthan0o~-10o。肘外翻enversionofelbow：carryingangleislargerthan20o。Mensuration?PosteriorcubitaltriangleWhentheelbowisbeentoarightangle,theolecranon,medialandlateralepicondylesofthehumerusformanisoscelestriangle(Posteriorcubitaltriangle).Whentheelbowisstraightedouttoafullextension,theylieinthesamehoriaontalplaneDuringthedislocationofelbowjoint,theirrelativepositionwillbechanged.Lateralcubitaltriangle：Inflexion900,lateralepicondylesandtheheadofradiusandthetopoftheolecranonprocessformtheboundariesofanequilateraltriangleSurfaceprojectionAxillarya.andbrachiala.whenthearmisabductedtoarightangle,thelinedrawingfromthemidpointofclavicletoapoint2cmbelowthemidpointofanteriorcubitalgrainoftheelbow.在锁骨中点至肘前横纹中点远侧2cm处的连线上。Radiala.alinedrawingfromthepoint2cmbelowthemidpointofanteriorcubitalgrainoftheelbowtothestyloidprocessofradius.肘前横纹中点远侧2cm处至桡骨茎突的连线上。