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24 Cards in this Set
- Front
- Back
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Duality of mobility and stability
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Mobility increase=stability decrease
Mobility decrease=stability increase |
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Classification is based on what?
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Intervening medium
Degree of movement/ range of motion |
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Example of fibrous joints
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Skull sutures
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cartilaginous joints
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utilize fibrocartilage and hyaline cartilage (eg. pubic symphasis)
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Synovial joint
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Synovial membrane secreting fluid (eg. shoulder)
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Synarthrosis movement
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Immovable joint (sutures)
May actually fuse over time |
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Amphiarthrosis
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Slightly moveable joint (hyoid)
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Diarthrosis movement
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Freely moveable joint (
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Classify in terms of movement: Sutures
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Synarthroses
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Classify in terms of movement: Epiphyseal plates, costosternal joints
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Synarthroses
Bones united by hyaline cartilage |
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Classify based on movement: mature ephisyeal plate, some sutures
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Synostosis
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Classify based on movement: distal articulation between the tibia and fibula, interosseus membrane of forearm and leg
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Syndesmosis
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Classify based on movement: Intervertebral discs, pubic sysmphasis
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Symphyses
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Components of the synovial Joint
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Synovial membrane
Articular cartilage |
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Synovial membrane
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Thin inner layer that secretes synovial fluid which nourishes and lubricates structures
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Articular cartilage
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Hyaline cartilage covering articular surfaces
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Surrounding structures of the synovial joing
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Ligaments
Articular disc Bursa |
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Ligaments
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Bands of connective tissue running from bone to bone; include capsular, extracapsular, and intracapsular ligaments
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Articular disc (meniscus)
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Pad of fibrocartilage that alters the shape of one of the joint surfaces (makes more moving happy)
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Bursa
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Synovial sac lying between skin, or muscle/tendons, and bone that prevents friction
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Uniaxial
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Hinge joing: elbow
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Biaxial
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thumb
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triaxial
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ball-and-socket joing: shoulder
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Types of Diarthroses
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Planar, Hinge, Saddle joint, condlatel, ball and socket, flat articular surfaces (facets), dens
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