Anatomy Arthrology

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Anonymous
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183304
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Anatomy Arthrology
Updated:
2012-11-12 20:44:54
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Anatomy Arthrology
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Palmer Anatomy
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  1. What joints are SYNARTHROSIS joints?
    • - A type of fibrous joint.
    • - A suture joint that has a thin layer of fibrous periosteum     between two bones. ie the skull
    • -Immovable
    • -Also gomphoses
  2. What joints are AMPHIARTHROSIS joints?
    • -A type of fibrous joint.
    • -A syndesmoses joint which is bones held together by a ligament.
    • -slightly movable
  3. What joints are DIARTHROSIS joints.
    • -A synovial joint
    • -Freely movable
  4. What is an example of SYNDESMOSIS?
    • -A ligament joint
    • -Tibiofibular joint (slight motion)
  5. What is a SYNCHONDROSES joint?
    • -A cartilaginous joint
    • -Connecting material is hyaline cartilage
    • -Immovable (synarthrosis)
    • -Found in epiphyseal plates or between ribs and sterum
  6. What is a SYMPHYSIS joint?
    • -Cartilaginous joint
    • -Fibrocartilage is connectiong material
    • -slightly movable (amphiarthrosis)
    • -Found in IV dics and pubic symphysis
  7. What type of joint is a SYNOVIAL joint?
    A multiaxial joint
  8. What are the basic structures a synovial joint has? Criteria.
    • 1) Synovial cavity
    • 2) Freely movable (diathroses)
    • 3) Articular cartilage (avascular)
    •      -reduces friction
    •      -on surface of bone
    •      -absorbs shock
    • 4) Articular capsule
    •      -surrounding joint
    •      -thickening in fibrous
    •      -capsule called ligament
    • 5) Synovial Membrane
    •      -inner lining of capsule
    •      -secretes synovial fluid
    •      -brings nutrients to articular cartilage
  9. What are the accessory structures of a synovial joint?
    • 1) Accessory ligaments (ACL / PCL)
    • 2) Articular disc and menisci (knee)
    • 3) Bursae: fluid-filled saclike extension of the joint capsule, reduces friction
    • 4) Tendon Shealth: tubelike bursae wrapped around tendon
  10. What is an example of a hinge joint?
    • - The concex surface of one bone fits into the concave surface of another bone.
    • - Uniaxial
    • - Knee, elbow, interphalangeal joints
  11. What is an example of a condyloid joint?
    • -Oval shaped projection fits into oval depression
    • - Biaxial
    • - Wrist and metacarpophalangeal joint
  12. What is an example of a saddle joint?
    • - One bone is saddle shaped and the other bone straddles it.
    • - Biaxial
    • - metacarpal of the thumb and trapezium of carpus
  13. What is an example of a pivot joint?
    • - Rounded surface of bone artiulates with ring formed by 2nd bone + ligament
    • - Monoaxial
    • - Proximal radioulnar joint
    • - Atlanto-axial joint
  14. What is an example of a ball and socket joint?
    • - Ball fitting into a cuplike depression
    • - Multiaxial
    • - Shoulder and hip joint
  15. How many bones form the elbow joint?
    • 3
    • Ulna, radius, humerus
  16. How many bones form the knee joint?
    • 3
    • femur, tibia, patella

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