chapter eight

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Author:
dwatters
ID:
74812
Filename:
chapter eight
Updated:
2011-03-23 17:57:37
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Joints
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Bio 1oo
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  1. Joints
    • * Are functional connections between bones
    • * Enable movements of bones
    • * Allows changes of bone shape during developments
    • * Can be classified according to the type of tissues or according to their degree of mobility
  2. Structural classification of joints

    • * Fibrous
    • * Cartilage
    • * Synovial
  3. Fibrous Joints
    • * Found between bones that are in very close contact with each other
    • * Made of dense connective tissue
    • * Found in the skull
    • * Known as suture
    • * Immovable joint: Synarthroses
  4. Cartilaginous Joints
    • * Made of hyaline or fibrocartilage
    • * Absorbs shock and helps equalize pressure between adjacent bones
    • * Found in between vertebra of the vertebral column
    • * Slightly movable joint: Amphiarthroses
  5. Synovial joint

    • * Freely movable joints: Diathroses
    • * More complex than fibrous or cartilaginous
    • * The articular ends of the bones are covered in hyaline cartilage
    • * Joints capsule is made of dense connective tissue to hold the bones together
    • * Synovial membrane secretes synovial fluid
    • * Synovial cavity contains the synovial fluid to lubricate the joint
  6. Joint movements

    • 1. Flexion, extension, & hyperextension
    • 2. Adduction & abduction
    • 3. Dorsiflexion & plantar flextion
    • 4. Supination & pronation
    • 5. Circumduct
    • 6. Rotation
    • 7. Inversion & eversion

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