Joints

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Author:
alyssau12
ID:
283936
Filename:
Joints
Updated:
2014-09-23 22:30:41
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ANSC
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Description:
test 2
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  1. study of articulations between bones (joints)
    anthrology
  2. classifications of joints:
    • fibrous joints
    • cartilaginous joints
    • synovial joints
    • other structures
  3. how are fibrous joints connected?
    tissue
  4. types of fibrous joints:
    • suture (skull, cranium)
    • syndemosis (splint bone attaches to cannon bone)
    • gomphosis (tooth cavity)
  5. how are cartilaginous joints connected?
    attached by a cartilage structure
  6. types of cartilaginous joints:
    • synchondrosis (joints connected by hyaline cartilage)
    • symphyes (pelvic)
  7. another name for synovial joints:
    • articulating joints
    • diarrthodial
  8. function of synovial joints:
    movement
  9. what is a simple synovial joint?
    at least 2 bones joining together
  10. What is a composite synovial joint?
    more than 2 bones joining together
  11. What is a joint capsule?
    fluid filled sac that helps with articulation
  12. purpose of the synovial membrane or synovium:
    provide components to the fluid
  13. type of cells in synovial membrane:
    synoviocytes
  14. What does synovial fluid do?
    provides lube
  15. What causes the synovial fluid to have viscosity?
    • Hyaluronic acid
    • Lubracin
  16. What is the function of articular cartilage?
    protect the upper portion of the bone
  17. What type of cells are in articular cartilage?
    condrocytes
  18. What  type of joints do livestock have?
    • pivot
    • hinge
    • plane
    • ball & socket
  19. What is the blood supply like in joints?
    • active
    • has normal capillaries
  20. What is the lymph function in joints?
    • drainage
    • take to lymphatic system
  21. What is the nerve function in joints?
    • pain receptors
    • properer reception (balance)
  22. What is the bursa?
    fluid-filled sac in the lining of the synovial membrane
  23. What is the function of the bursa?
    • acts as a cushion
    • ex: knee
  24. What type of joints are found in cats, dogs and humans but not livestock?
    • saddle
    • condyloid
  25. What is the synovial sheath?
    surrounds the tendon with a synovial lining
  26. Which joints are in the axial skeleton?
    • temporomandibular joint (TMJ)
    • atlanto-occipital joint
    • atlantoaxial joint
    • intervertebral disks
  27. temporomandibular joint:
    hinge joint (jaw)
  28. atlanto-occipital joint:
    hinge joint (neck)
  29. atlantoaxial joint:
    the "no" joint
  30. What is the only true pivot joint?
    atlantoaxial joint
  31. intervertebral disks:
    • allow for movement in any direction
    • (getting up and stretching)
  32. scapulohumeral joint
    true ball and socket joint
  33. sacroliliac joint:
    • hinge and plane joint
    • limited movement
  34. coxofemoral joint:
    true ball and socket joint (hip joint)
  35. What state is the feltlock in when the animal is standing?
    hyperextension
  36. primary joint biomechanics:
    • flexion
    • extension
  37. adduction:
    moving toward the middle
  38. abduction:
    moving away from the middle
  39. extension:
    moving joint back
  40. pronation:
    turning wrists down
  41. supernation:
    bringing wrists up
  42. joint abnormalilites:
    • bowed tendons
    • osteoarthritis
    • synovitis
    • wind puffs
    • fistulous withers
    • capped elbow
    • capped hock
    • carpitis

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