wrist/hand

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Author:
jpowell22
ID:
154909
Filename:
wrist/hand
Updated:
2012-05-20 15:56:12
Tags:
kinesiology
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Description:
wrist/hand
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  1. What are the convex/concave bony partners of the radiocarpal jt?
    • distal end of radius = concave
    • proximal surface of the scaphoid, lunate, and triquetrum = convex
  2. What motions do you get at the radiocarpal jt?
    • flexion
    • extension
    • radial deviation
    • ulnar deviation
  3. What is another term for flexion of the radiocarpal jt?
    volar flexion
  4. In what direction is the glide of the radiocarpal jt if the movement is flexion?
    dorsal
  5. What is another term for extension of the radiocarpal jt?
    dorsal flexion
  6. In what direction is the glide of the radiocarpal jt if the mvmt is extension?
    volar
  7. In what direction is the glide if the radiocarpal joint is moving into radial deviation?
    ulnar
  8. In what direction is the glide if the radiocarpal jt is moving into ulnar deviation?
    radial
  9. What do the extrinsic mm of the hand do?
    keeps MCPs extended and flexes PIPs and DIPs
  10. What do the intrinsic mm of the hand do?
    keeps PIPs and DIPs extended and flexes MCPs
  11. What is the loose pack position of the MCP joints?
    hand opened (slap)
  12. What is the closed pack position of the MCP jts?
    closed hand (fist)
  13. What is the resting position of the radiocarpal jt?
    neutral and slight ulnar deviation
  14. What is the closed packed position of the radiocarpal jt?
    maximal extension
  15. What are the convex/concave bony partners of the interphalangeal jts?
    • distal end of phalanx = convex
    • proximal end of phalanx = concave
  16. In what direction is the glide if the IP joints are moving in flexion?
    volar
  17. In what direction is the glide if the IP joints are moving in extension?
    dorsal
  18. What is carpal tunnel syndrome?
    • compression of the median nerve
    • causes problems in fingers 1,2,3 abd thenar eminence

    can be caused by ant. dislocation of lunate bone, swelling secondary to colles' fracture of the distal end of the radius, rheumatoid arthritis, or anything causing swelling that is secondary to general trauma afecting wrist such as sprains
  19. What is trigger finger?
    sudden palpable and audible snapping occuring upon mvmt of one of the fingers

    most often caused by a nodule in the flexor tendon that catches on a narrower annular sheath or pulling opposite the metacarpal head

    may place in either flexion or extension
  20. What disorder can be caused by rheumatoid arthritis, and occurs when the PIP is hyperextended and the DIP is flexed?
    swan neck deformity
  21. With what disorder do the PIP become flexed and the DIP is extended?
    boutonniere deformity
  22. What disorder contains discreet but palpable bony nodules found on the dorsal and lateral surfaces of the DIP jt, and may indicate osteoarthritis?
    herberdens nodes
  23. What is the length-tension relationship of hand function?
    tendodesis; passive insufficiency

    • wrist extensors aid in maximal finger flexion
    • wrist flexors aid in maximal finger extension
  24. What is cupping and flattening of hand function?
    cupping occurs with finger flexion and improves the mobility of hand for functional usage

    flattening occurs with finger extension and is used for release of objects
  25. What are the 4 power grips?
    • hook
    • cylinder
    • fist
    • spherical
  26. What are the 6 prehension patterns?
    • digital prehension (pad to pad)
    • lateral prehension (pad to side)
    • tip to tip
    • 2 jaw chuck
    • 3 jaw chuck
    • side to side
  27. What power grip is used when digits 2-5 a4re around an object?
    hook

    holding a bucket
  28. What power grip is used when all fingers are flexed around an object?
    cylinder

    holding a hammer
  29. What power grip has the fingers in a fist with the thumb on top?
    fist
  30. What power grip is used when all fingers are adducted around an object, fingers spread apart, and the palm is not involved?
    spherical

    opening a jar
  31. What do you use when trying to forcefully hold objects while being moved by the more proximal jts?
    power grips
  32. What do you use for fine mvmts when objects need to be manipulated?
    prehension (holding a pen)
  33. What prehension pattern is used when the pad of one finger is pressed to another (normally index and thumb)?
    digital prehension (pad to pad)
  34. What prehension pattern is used when the pad of the ext. thumb is pressing on an object against the radial side?
    lateral prehension (pad to side)
  35. What prehension pattern is used when you bring the thumb to the tip of a finger?
    tip to tip
  36. What prehension pattern is used when the thumb and 1 finger are holding something horizontal, and using lumbrical mm.?
    2 jaw chuck

    holding a plate
  37. What prehension pattern is used when the thumb and 2 fingers (usually index and middle) hold something?
    3 jaw chuck

    holding a pen
  38. What prehension pattern is used when 2 fingers are adducted (usually index and middle)?
    side to side

    holding a pencil or cigarette
  39. What is the phalens test?
    • hold the backs of the hands together 30-60 seconds
    • (+)=tingling or numbness of the digits 1-3
    • carpal tunnel
  40. What is the tinel sign?
    • tap at wrist over median n.
    • (+)= numb and tingling of digits 1-3
    • carpal tunnel
  41. What is the finkelsteins test?
    • fist and thumb tucked in, ulnar deviate
    • (+)= pain in snuffbox tendons
    • DeQuervains syndrome

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