Joint classification and ligaments

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BokaliMali
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Joint classification and ligaments
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2013-09-17 22:02:10
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joint classification anatomy OVCMT
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MS lecture 2 notes
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  1. Functional classifications of joints
    • Synarthrotic
    • Amphiartrotic
    • Diarthrotic
  2. Structural classifications of joints
    • fibrous
    • cartilagenous
    • synovial
  3. Synarthrosis
    • apposing structures are closely bound by tough connective tissue
    • relatively immobile, therefore quite stable
    • e.g. skull sutures
  4. synostosis
    • lit. a union made of bone.
    • e.g. skull suture joints
  5. apposing structures are closely bound by tough connective tissue
    relatively immobile, therefore quite stable
    e.g. skull sutures
    Synarthrosis
  6. Amphiarthrosis
    • apposing structures are bound by fibrous connective tissue or hyaline cartilage
    • moderately mobile and stable
    • e.g. pubis symhpysis, tibio-fibular joint
  7. apposing structures are bound by fibrous connective tissue or hyaline cartilage
    moderately mobile and stable
    e.g. pubis symhpysis, tibio-fibular joint
    Amphiarthrosis
  8. Diarthrosis
    • apposing structures are highly mobile but relatively unstable
    • has a synovial capsule
    • also called a synovial joint
    • e.g. like, anything you can move.
  9. apposing structures are highly mobile but relatively unstable
    has a synovial capsule
    also called a synovial joint
    e.g. like, anything you can move.
    Diarthrosis
  10. A synarthrotic, fibrous, synostotic joint is a
    sutural joint
  11. A synarthrotic, fibrous joint that's like a peg and socket is a
    gomphosis
  12. An amphiarthrotic, fibrous joint held together with an interrosseous membrane is a
    syndosmosis
  13. interosseous membrane
    • lit. membrane between bones
    • e.g. tibio-fibular and radio-ulnar joints
    • AKA syndosmosis
  14. syndosmosis
    • lit. a union made up of membrane
    • AKA interosseous membrane
  15. An amphiarthrotic, cartilagenous joint where hyaline cartilage bind opposing surfaces together is a
    • synchondrosis
    • e.g. 1st sternocostal joint
  16. synchondrosis
    • li. a union made of cartilage
    • hyaline cartilage binds opposing surfaces together
    • e.g. 1st sternocostal joint
  17. An amphiarthrotic, cartilagenous joint where bone ends covered in hyaline cartilage are held together by a fibrocartilagenous disk is a
    • symphysis
    • e.g. pubis symphysis, intervertebral disks
  18. the structures that make up a synovial capsule
    joint capsule, joint cavity, synovial fluid, articular cartilage
  19. A diarthrotic, synovial joint that is triaxial and moves with a gliding motion is a
    • plane or irregular joint
    • e.g. carpals
  20. a diarthrotic, synovial joint that is uniaxial and only performs flexion is a
    • hinge joint
    • e.g. interphalangeal joints
  21. a diarthrotic, synovial joint that is uniaxial and only rotates is a
    • pivot joint
    • e.g. atlantoaxial joint (between 1st and 2nd cervical vertebrae)
  22. a diarthrotic, synovial joint that is biaxial, can perform flexion/extension and adduction/abduction and is made up of an oval convexity articulating with an oval concavity is a
    • conyloid joint
    • e.g. radiocarpal joint
  23. a diathrotic, synovial joint that is biaxial (sometimes contested as being triaxial) and acts like a condyloid joint but with freer motion is a
    • saddle joint
    • e.g. 1st carpometacarpal joint (thumb joint)
  24. a diarthrotic, synovial joint that is triaxial and can perform circumduction is a
    • ball and socket joint
    • e.g. glenohumeral joint, acetabulofemoral joint (shoulder and hip joints, respectively)
  25. a band of fibrous tissue which provides a strong bond between articulating bones
    ligaments
  26. functions of ligaments
    • mechanicle restraint of joint motion
    • proprioception
  27. do ligaments sprain or strain?
    ligaments sprain, muscles strain
  28. types of ligaments
    • capsular
    • accesory: intracapsular, extracapsular
  29. ligament that makes up the joint capsule
    capsular ligament
  30. ligament found within the joint capsule
    intracapsular ligament
  31. ligament found outside of the joint capsule
    extracapsular ligament
  32. types of synovial joints
    • plane or irregular
    • hinge
    • pivot
    • condyloid
    • saddle
    • ball and socket

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