Types of Joints and Bursae Ana Soldo 2013/2014 Zagreb Medical School Mentor: A. Žmegač Horvat.

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Presentation transcript:

Types of Joints and Bursae Ana Soldo 2013/2014 Zagreb Medical School Mentor: A. Žmegač Horvat

Joint (articulation)  A coming together of two or more bones

Joints Diarthroses movable Synarthroses immovable/ partially movable

Joints Diarthrosis movable Synarthrosis immovable/ partially movable

Diarthrosis (synovial joint)  Freely movable joint  Articular cartilage  Joint capsule fibrous membrane synovial membrane  Joint cavity

Diarthrosis (synovial joint)  Additional components: Ligaments Fat pads Disci/Menisci Bursae

Diarthrosis (synovial joint)  Additional components: Ligaments – add strength to the joint capsule or limit movements

Diarthrosis (synovial joint)  Additional components: Fat pads - help to protect joints from mechanical damage

Diarthrosis (synovial joint)  Additional components: Discus/Meniscus – fibrous cartilage within a joint, increases compatibility

Diarthrosis (synovial joint)  Additional components: Bursa – closed sac of synovial fluid, usually found beetween bones and tendons or muscles around a joint, helps to reduce friction

Diarthrosis (synovial joint)

 Plane joint – permits sliding Sacroiliac, intercarpal, intertarsal joints

Diarthrosis (synovial joint)  Hinge joint (ginglymus) – allows movement in only one direction Interphalangeal joint, joint between humerus and ulna

Diarthrosis (synovial joint)  Pivot joint – allows rotation Proximal and distal radioulnar joint

Diarthrosis (synovial joint)  Saddle joint – allows movement in all directions except rotation First carpometacarpal joint

Diarthrosis (synovial joint)  Ellipsoid joint – allows flexion, extension, adduction, abduction, circumduction Radiocarpal joint, metacarpophalangeal joints

Diarthrosis (synovial joint)  Ball and socket joint – largest range of movement Hip joint, shoulder joint

Joints Diarthroses movable Synarthroses immovable/ partially movable

Synarthrosis SynostosisSyndesmosisSynchondrosis

Synarthrosis SynostosisSyndesmosisSynchondrosis

Synostosis  The joining of two bones - ossification of connecting tissue Hip bone

Synarthrosis SynostosisSyndesmosisSynchondrosis

Syndesmosis  Slightly movable joint  Bony surfaces united by connective tissue Suture Interosseous membraneGomphosis

Synarthrosis SynostosisSyndesmosisSynchondrosis

 Cartilaginous union  Mostly at younger age, during life cartilage replaced by bone, small number remain for life Joint between first rib and sternum

 Sustav organa za pokretanje, Werner Platzer  