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1、Theupperlimb山東大學(xué)醫(yī)學(xué)院解剖教研室李振華ThemusclesofbackSuperficialgroupTrapezius斜方肌Latissimusdorsi背闊肌Levatorscapulae肩胛提肌Rhomboideus菱形肌DeepgroupErectorspinae豎脊肌Splenius夾肌Thoracolumbarfascia胸腰筋膜ThemusclesofthoraxExtrinsicmusclesPectoralismajor胸大肌Pectoralisminor胸小肌Serratusanterior前鋸肌IntrinsicmusclesInterc
2、ostalesexterni肋間外肌Intercostalesinterni肋間內(nèi)肌Intercostalesintimi肋間最內(nèi)肌MajormusclesofthetrunkTrapeziusOrigin:superiornuchalline,externaloccipitalprotuberance,ligamentumnuchaeandspinousprocessesofseventhcervicalandallthoracicvertebraeInsertion:lateralthirdofclavicle,acromion,andspineofscapularter
3、yActon:upperfiberselevatescapula,lowerfibersdepressscapula;ifscapulaisfixed,onesideactingalong,drawsheadtowardthesameside,andturnfacetooppositeside;bothsidestogether,drawheaddirectlybackwardLatissimusdorsiOrigin:spinousprocessesoflowersixthoracicandalllumbarvertebrae,mediansacralcrest,andpo
4、steriorpartofiliaccrest.Insertion:floorofintertuberculargrooveofhumerus.Action:trunkfixed,extends,adductsandmediallyrotatesarm;armfixed,elevatestrunk.ErectorspinaePosition:fillsthevertebralgrooveoneachsideofthespineAction:extendsvertebralcolumn(drawheadbackwar)PectoralismajorOrigin:medialha
5、lfofclavicle,sternum,1th-6thcostalcartilages.Insertion:crestofgreatertubercleofhumerus.Action:flexes,adductsandrotatesarmmedially;armfixed,elevatestrunk;elevatesribs1-6,aiddinginforcedinspiration.TheMusclesofUpperLimbMusclesofshoulderDeltoidsupraspinatusInfraspinatusTeresminorTeresmajorsubs
6、capularisMusclesofarmAntereriorgroupBicepsbrachii肱二頭肌Coracobrachialis喙肱肌Brachialis肱肌Posteriorgroup–tricepsbrachii肱三頭肌MusclesofforearmSuperficiallayerBrachioradialis肱橈肌Pronatorteres旋前圓肌Flexorcarpiradialis橈側(cè)腕屈肌Palmarislongus掌長肌Flexorcarpiulnaris尺側(cè)腕屈肌ThirdlayerFlexordigitorumprofundus指深屈肌Flexo
7、rpollicislongus拇長屈肌Fourthlayer－pronatorquadratus旋前方肌Action:flexradiocarpaljointandfingers,pronateforearmSecondlayer－flexordigitorumsuperficials指淺屈肌Posteriorgroup(10)Superficiallayer(5)Extensorcarpiradialislongus橈側(cè)腕長伸肌Extensorcarpiradialisbrevis橈側(cè)腕短伸肌Exte
