肌学总论、头颈和躯干肌泰山医学院

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1、Chapter3Myology肌学Section1Generaldescription泰山医学院人体解剖学教研室赵振美CompositionMusclebelly肌腹Tendon肌腱aponeurosis腱膜ClassificationLongmuscle长肌Shortmuscle短肌Flatmuscle扁肌Orbicularmuscle轮匝肌ⅠMorphologyandcompositionofskeletalmusclesⅡOrigin,insertionandactionofskeletalmusclesⅢSupplementary

2、structuresofmusclesFascia筋膜SuperficialfasciaDeepfasciaSynovialbursa滑膜囊Tendinoussheath腱鞘FibrouslayerSynoviallayer:Section2MusclesofheadⅠFacialmuscles面肌Epicranius颅顶肌(occipitofrontalis)枕额肌Frontalbelly额腹Occipitalbelly枕腹Galeaaponeurotica帽状腱膜Orbicularisoculi眼轮匝肌Buccinator颊肌Orbi

3、cularisoris口轮匝肌帽状腱膜额腹ⅡMasticatorymusclesMasseter咬肌Origin－inferiorborderandmedialsurfaceofzygomaticarchInsertion－lateralsurfaceoframusofmandibleandangleofmandibleAction－elevatesmandibleTemporalis颞肌Origin－temporalfossaInsertion－coronoidprocessofmandibleAction－elevatesandret

4、ractsmandibleMedialpterygoid翼内肌Lateralpterygoid翼外肌咀嚼肌咀嚼肌Section3MusclesofneckⅠSuperficialgroupPlatysma颈阔肌Sternocleidomastoid胸锁乳突肌ⅡSuprahyoidmusclesDigastric二腹肌Stylohyoid茎突舌骨肌Mylohyoid下颌舌骨肌Geniohyoid颏舌骨肌Elevate(raise)hyoidboneanddepressmandible.ⅢInfrahyoidmusclesSternohyoi

5、d胸骨舌骨肌Omohyoid肩胛舌骨肌Sternothyroid胸骨甲状肌Thyrohyoid甲状舌骨肌DepresshyoidorlarynxafterelevationⅣDeepcervicalmusclesLateralScalenusanterior前斜角肌Scalenusmedius中斜角肌Scalenusposterior后斜角肌Scalenefissure斜角肌间隙Action：Mediallonguscapitis头长肌longuscolli颈长肌Flexthehead,bendstheneckforwardSection

6、4MusclesoftrunkⅠMusclesofbackTrapezius斜方肌Latissimusdorsi背阔肌Erectorspinae竖脊肌Trapezius斜方肌Origin:superiornuchalline,externaloccipitalprotuberance,ligamentumnuchaeandspinousprocessesofseventhcervicalandallthoracicvertebraeInsertion:lateralthirdofclavicle,acromion,andspineofsc

7、apularyAction:upperfiberselevatescapula,lowerfibersdepressscapula;ifscapulaisfixed,onesideactingalong,drawsheadtowardthesameside,andturnfacetooppositeside;bothsidestogether,drawheaddirectlybackwardLatissimusdorsi背阔肌Origin:spinousprocessesoflowersixthoracicandalllumbarvert

8、ebrae,mediansacralcrest,andposteriorpartofiliaccrest.Insertion:crestoflessertubercleofhumerus.Ac