Joints & Movement

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Author:
nicknaj
ID:
87941
Filename:
Joints & Movement
Updated:
2011-05-26 19:06:10
Tags:
Anatomy Lab Movement Joints
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Description:
directions of movement and types of joints
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  1. Bones held together by cartilage
    intervertebral disks: pad of cartilage, epiphyseal plate: thin, immovable cartilage
    Cartilaginous Joints
  2. Connect one bone to another with collagenous fibers
    Suture: btw adj bones of the cranium, gomphosis: teeth, fits like peg in socket
    Fibrous Joints
  3. Allow for extensive movement
    Knee, elbow, fingers, articular processes of cervical-llumbar vertebrae
    Synovial Joints
  4. No movement between bones
    Sutures of skull, epiphyseal plates
    Synarthrotic Joints
  5. Little movement between bones
    Intervertebral disks, pubic symphysis
    Amphiarthrotic joints
  6. Freely movable joints
    Knee, elbow, finters, vertebrae
    Diarthrotic Joints
  7. Decreae in joint angle from anatomical position (bend elbow)
    Flexion
  8. Return to anatomical position of a part of the body that was flexed (straightening bent knee)
    Extension
  9. Movement of the limbs in teh corresponding plane away from the body (superman)
    Abduction
  10. Return of teh body to anatomical position after abduction (jumping jacks)
    Adduction
  11. Circular movement of a part of the body (lateral or medial)
    Rotation
  12. Lateral rotation of the hand (palm facing out)
    Supination
  13. Medial rotation of a body part (foot pointed inward, palm facing back)
    Pronation
  14. Movement in a cone shape; point of cone being proximal (arm circles)
    Circumduction
  15. Horizontal movement in anterior direction (jutting jaw forward)
    Protraction
  16. Reverse of protraction (bringing jaw back from anterior to posterior)
    Retraction
  17. move body part in a superior direction (shrugging shoulders)
    Elevation
  18. Move in inferior direction (unshrug shoulders)
    Depression
  19. Turning body part medially (turning feet inward, soles facing each other)
    Inversion (supination)
  20. Turning body part laterally (soles facing outward)
    Eversion (pronation)

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