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ID:36409938
大小:4.93 MB
页数:38页
时间:2019-05-09
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1、ArthrologyXuegangLuoDepartmentofAnatomy&NeurobiologyXiangyaSchoolofMedicine,CSUPI.GeneralDescriptionArchimedessaid:GivemeaplacetostandandIwillmovetheearth.RF1.ClassificationofLeversinMovement1.Firstclass2.Secondclass3.ThirdclassAtlantooccipitalElbowAnkleArticulation(j
2、oints)Synarthrosis(immovablearticulation)直接连接(不动关节)Diarthrosis(movablearticulation)间接连接(可动关节)Fibrousjoints纤维连结Cartilaginousjoints软骨连结Osseousjoints骨性连结Synovialjoints滑膜关节2.ClassificationoftheJoint骨连结(关节)1.FibrousJointsBonesheldcloselytogetherbyfibrousconnectivetissueII.
3、SynarthrosisInterosseousmembraneofleg2.CartilaginousJointsBonestightlyconnectedbyfibrocartilageorhyalinecartilageIntervertebraldiscPubicsymphysisEpiphysealplate3.OsseousjointsBonestightlyconnectedbybonytissueFibrousJointsCartilaginousJointsOsseousjointsIII.SynovialJoi
4、ntsSynovialcavityseparatesarticulatingbonesFreelymoveable(diarthrosis)ArticularSurfaceArticularCapsuleArticularCavity1.EssentialStructure:1.1ArticularSurfaceArticularCartilagereducesfrictionabsorbsshockMale/FemaleAreadifference1.2ArticularCapsuleSurroundsjointTwolayer
5、s:FibrousmembraneSynovialmembrane1.3ArticularCavityMagdeburgHemispheresSurroundedbysynovialmembraneandarticularcartilagePotentialspaceSynovialfluidfilledNegativetotheatmospherepressureExampleofSynovialJoint2.TheaccessorystructureLigamentsArticulardiscsorlabrumSynovial
6、fold&bursaIntracapsularligamentswithincapsule2.1LigamentsExtracapsularligamentsoutsidejointcapsule2.2ArticulardiscsAttachedaroundedgestocapsuleMakethearticularsurfacesfittingwitheachotherDiminishtheshockofthejointProlapseddiscAnnulusfibrosusNucleuspulposusRootofspinal
7、nerveSpinalcord2.3SynovialBursaBetweenskin/boneortendon/boneorligament/boneFluid-filledsaclikeextensionsofthejointcavityReducefrictionbetweenmovingstructuresSaclikestructures3.ThemovementofsynovialjointsFlexion(屈):decreasingthejointangleExtension(伸):increasingtheangle
8、Abduction(展):awayfrommedianplaneofthebodyAdduction(收):closetomedianplaneofthebodyRotation(旋转):turntheanteriorsurfacetoorfrom
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