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《上肢肌和下肢肌課件》由會員上傳分享，免費在線閱讀，更多相關內(nèi)容在教育資源-天天文庫。
1、Musclesofupperlimb上肢肌Themusclesofupperlimbaredividedinto:MusclesofshoulderMusclesofarmMusclesofforearmMusclesofhandMusclesofshoulderDeltoid三角肌Supraspinatus岡上肌Infraspinatus岡下肌Teresminor小圓肌Teresmajor大圓肌Subscapularis肩胛下肌deltoidsupraspinatusinfraspinatusteresminorteresmajorsubscapularisDeltoid三角肌Or
2、igin:lateralthirdofclavicle,acromion,andspineofscapulaInsertion:deltoidtuberosityofhumerusAction:abductsthearm，anteriorfibersflexandmediallyrotatearm;posteriorfibersextendandlaterallyrotatearmTeresmajor大圓肌Origin:dorsalsurfaceofinferiorangleofscapulaInsertion:crestoflessertubercleofhumerusAction
3、:mediallyrotatesandadductsarmdeltoidsupraspinatusinfraspinatusteresminorteresmajorsubscapularisMusclesofarmAnteriorgroupBicepsbrachii肱二頭肌Coracobrachialis喙肱肌Brachialis肱肌PosteriorgroupTricepsbrachii肱三頭肌bicepsbrachiicoracobrachialisbrachialistricepsbrachiiBicepsbrachii肱二頭肌Origin:longhead,supraglen
4、oidtubercle;shorthead,coracoidprocessInsertion:radialtuberosityAction:supinatorofforearm,flexorofelbowjoint,weakflexorofshouldjointNervesupply:Musculocutaneousn.bicepsbrachiicoracobrachialisbrachialisTricepsbrachii肱三頭肌Origin:longhead,infraglenoidtubercle;lateralhead,abovegrooveforradicaln.,medi
5、calhead,belowgrooveforradicaln.Insertion:olecranonofulnaAction:extendselbowjoint,longheadcanextendandadductshoulderjointTrilateralandquadrilateralforamina三邊孔和四邊孔Betweenthesubscapularisandteresmajor,thereisalongtriangularspacewhoselateralsideissurgicalneckofhumerus.Thelongheadoftricepsbrachiisub
6、dividesthisspaceintoamedialtrilateralforamenandalateralquadrilateralforamen.Antereriorgroup(9)Superficiallayer(5)Brachioradialis肱橈肌Pronatorteres旋前圓肌Flexorcarpiradialis橈側腕屈肌Palmarislongus掌長肌Flexorcarpiulnaris尺側腕屈肌Musclesofforearmbrachioradialispronatorteresflexorcarpiradialispalmarislongusflexor
7、carpiulnarisPronatorteres旋前圓肌Origin:medicalepicondyleofhumerusanddeepfasciaofforearmInsertion:middleoflateralsurfaceofradiusAction:pronationofforearmandflexionofelbowNervesupply:mediann.Secondlayer(1)Flexordigitorumsuperficialis指淺
