关节学总论、中轴骨连结.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Classification,There are two major types of articulations or joint.,Continuous joints,直接连结,1.Fibrous joints,纤维连结,:bones are,united by fibrous connective tissue,Syndesmosis,韧带连结,Suture,缝,2.Cartilaginous joints,软骨连结,:,bones are united by cartilage,Synchondrosis,透明软骨结合:,bones are united by hyaline cartilage,Symphysis,纤维软骨联合,:,bones are united by fibrocartilage,3.Synosteosis,骨性结合,Discontinuous joints,间接连结,synovial joints,滑膜关节,Synovial joints,滑膜关节,1.Basic structures,Articular surface关节面,:covered by,articular cartilage 关节软骨,Articular capsule 关节囊,Fibrous membrane纤维膜,Synovial membrane,滑膜,Articular cavity关节腔,:containing synovial fluid;,negative pressure in it,2.Accessory structures,Ligaments韧带(lig.),:extra-and intracapsular ligaments,囊外(内)韧带,Articular disc关节盘,and,articular labrum,关节唇,:,Synovial fold滑膜襞,and,synovial bursa滑膜囊,Rotation,旋转,Medial and lateral rotation,旋内和旋外,Pronation and supination,旋前和旋后:,在前臂旋内称为旋前，旋外称为旋后,Circumduction,环转,Classification of synovial joints,关节的分类,Uniaxial joints,单轴关节,:,hinge joints,屈戍关节,trochoid(pivot)joints,车轴关节,Biaxial joints,双轴关节,:,ellipsoid joints,椭圆关节,saddle joints,鞍状关节,Multiaxial joints,多轴关节,:,ball-and-socket joint球窝关节,plane joints,平面关节,Articulations of Bones of Trunk,躯干骨的连结,The vertebral column脊柱,Composition,:,consists of 24 vertebrae,the sacrum,and the coccyx.,1.Joints of the vertebral bodies,椎体间的连结,Intervertebral discs,椎间盘,between bodies of adjacent vertebrae,composed of:,Nucleus pulposus髓核,an inner soft,gelatinous胶状的,highly elastic structure,Annulus fibrosus纤维环,an outer fibrous ring consisting of fibrocartilage纤维软骨,Hemination of nucleus pulposus,髓核脱出,Anterior longitudinal ligament,前纵韧带,Position:Strong band covering the anterior part of the vertebral bodies and intervertebral discs running from the anterior margin of foramen magnum to the S1S2,function:prevents hyperextension of the vertebral column and anterior protrusion of the discs,Posterior longitudinal ligament,后纵韧带,Position:Attached to the posterior aspect of the intervertebral discs and posterior edges of the vertebral bodies from C2 vertebra to sacral canal.,function:Prevents hyperflexion of the vertebral column,2.,Joints of the vertebral arches,椎弓间的连结,Ligamenta flava,黄韧带,Position:unite laminae of adjacent vertebrae,and complete the posterior wall of vertebral canal,function:prevent hyperflexion of the vertebral column.,Interspinal ligament,棘间韧带,Supraspinal ligament,棘上韧带,Ligamentum nuchae,项韧带,Intertransverse ligament,横突间韧带,Zygapophysial joint,关节突关节,3.Atlantooccipital joint,寰枕关节,composition:superior articular fovea of atlas and occipital condyles,ligament:,寰枕前膜,寰枕后膜,Action 头部作前屈后伸,侧屈运动,.,4.Atlantoaxial joint,寰枢关节,Three synovial joints between atlas and axis,寰枢外侧关节,寰枢正中关节,ligaments:,apical ligament of dens 齿突尖韧带,alar ligament 翼状韧带,transverse ligament of atlas寰椎横韧带,tectorial membrane 覆膜,Action 使头部连同寰椎进行旋转运动.,Normal Curves of vertebral column,Cervical curvature颈曲,convex forward,Thoracic curvature胸曲,convex backward,Lumbar curvature腰曲,convex forward,Sacral curvature骶曲,convex backward,Movement of the vertebral column,flexion,extension,lateral flexion,rotation,Thoracic cage,胸廓,Composition,Bones,consists of twelve thoracic vertebrae,twelve pairs of ribs,sternum and their joints.,Joints,1.Costovertebral joints,肋椎关节,Joints of costal head,肋头关节,Costotransverse joints,肋横突关节,2.,肋软骨与胸骨的连结,Sternocostal synchondrosis of first rib,第一胸肋结合,Sternocostal joints,胸肋关节,:,Interchondral joints,软骨间关节,:costal cartilages 8,9,and 10 fuse with each other,the common cartilage of these ribs unite with 7 costal cartilage to form the costal arch,肋弓,General features of thoracic cage,Is conical in shape,transverse diameter is long,anteroposterior diameter is short,narrow above and broad below.,Inlet of thorax胸廓上口,:bounded by upper border of manubrium,the first pair of ribs,and vertebra T1,Outlet of thorax胸廓下口,:bounded by vertebra T12,12th and 11th ribs,costal arch and xiphoid process,Infrasternal angle,胸骨下角,:formed by the costal arch of both side,Intercostal spaces,肋间隙,:lie between the ribs,11pairs.,Function:,protects the organs in the thoracic cavity and upper abdominal cavity;,plays a vital role in the process of breathing,Inspiration,Expiration,Joints of skull,颅骨的连结,Continuous joints:sutures,synchondrosis or synosteosis,Temporomandibular joint,颞下颌关节,composition:,Mandibular fossa and articular tubercle,above,Head of mandibule,below,feature:,Capsule:thin and lax in front and medial wall,strengthened by the lateral ligament 外侧韧带,Articular disc:separates surfaces,forming upper and lower compartments within joint,Movement:mandible may be elevated or depressed,protruded or retracted and,lateral movement,is permitted.,Teaching outline,1.Master the essential structure,accessory structure.master the movement of the synovial joints.,2.Master the shape,structure of the intervertebral discs,the position and function of the anterior,posterior longitudinal ligaments,the position and function of the ligamenta flava.,3.Master the composition,master the normal curves and the movements of the vertebral column.,4.Master the composition and functions of the thoracic cage.,5.Master the composition and shapes of the thoracic inlet and thoracic outlet.,6.Master the composition,feature and movement of the temporomandibular joint.,