Ch 8 - Joints

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Author:
KellyM
ID:
203588
Filename:
Ch 8 - Joints
Updated:
2013-02-26 22:29:05
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vocab
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vocab
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  1. articulations
    joints
  2. synarthroses
    immovable joints  ---  skull
  3. amphiarthroses
    slightly movable joints -- ribcage and sternum
  4. diarthroses
    freely movable joints -- elbow, fingers, wrists, ect...
  5. synostoses
    a completely ossified, fused joint
  6. synovial joint
    freely movable joint exhibiting a joint cavity; also called a diarthroses
  7. synovial fluid
    • fluid secreted by the synovial membrane
    • lubricates joint surfaces and nourishes articular cartilages
  8. menisci
    • articular discs
    • fibrocartilage that separates articular surfaces to improve "fit" of bone ends, stabilize joint, and reduce wear and tear
  9. flexion
    decreases angle of joint
  10. extension
    increase angle of joint
  11. hyperextension
    • excessive extension beyond normal range of motion
    • ex-- bending finger backwards
  12. abduction
    movement away from midline
  13. adduction
    movement toward midline
  14. circumduction
    • involves flexion, abduction, extension, and adduction of limb
    • limb describes cone in space
  15. rheumatoid arthritis (RA): summary
    chronic, inflammatory, autoimmune disease
  16. osteoarthritis (OA): summary
    • common, irreversible, degenerative arthritis ("wear and tear")
    • probably related to normal aging process

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