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Positioning 1 > Ch. 4 Upper Limb > Flashcards

Ch. 4 Upper Limb Flashcards

1
Q

most lateral carpal in the distal row; four-sided irregularly shaped

A

trapezium

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2
Q

small shallow depression located on the lateral aspect of the proximal ulna

A

radial notch

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3
Q

lateral condyle of humerus; articulates with the radius

A

capitulum

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4
Q

what is the deep posterior depression of the distal humerus

A

olecranon fossa

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5
Q

small projection on the lateral aspect of the distal humerus, above the capitulum

A

lateral epicondyle

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6
Q

what notch forms the proximal radioulnar joint

A

radial notch on ulna

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7
Q

what are the 3 parts of the metacarpal

A

head, body, base

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8
Q

which notch forms the distal radioulnar joint

A

ulnar notch on radius

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9
Q

larger more prominent projection on the medial edge of the distal humerus

A

medial epicondyle

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10
Q

what is the expanded distal end of the humerus called

A

humeral condyle

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11
Q

to prevent superimposition of the radius and ulna how is the forearm normally positioned and taken

A

hand supinated, AP projection

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12
Q

what are the two joints between the phalanges in digits 2-5 called

A
  • distal interphalangeal joint (DIP)
  • proximal interphalangeal joint (PIP)
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13
Q

small depression on the medial aspect of the distal radius

A

ulnar notch

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14
Q

most distal bones of the hand

A

phalanges

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15
Q

what is the name of the wrist joint

A

radiocarpal joint

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16
Q

what are all the joints of the upper limb classified as

A

synovial and diarthrodial

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17
Q

hooklike process on the hamate carpal is called

A

hamulus or hamular process

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18
Q

medial condyle of the humeral condyles; articulates with the ulna

A

trochlea

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19
Q

what carpal do the 4th and 5th metacarpal articulate with

A

hamate

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20
Q

what is the joint between the metacarpal and proximal phalanx called

A

metacarpophalangeal joint (MCP)

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21
Q

these bones make up the palms of each hand

A

metacarpal

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22
Q

ligament attached to the styloid process of the ulna and fans out to attach to the triquetrum and pisiform

A

ulnar collateral ligament

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23
Q

wedge shaped carpal bone, four sided and smallest in distal row

A

trapezoid

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24
Q

what is the 3rd carpal from the lateral side in the proximal row; pyramidal in shape and anterior articulation with pisiform

A

triquetrum

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25
Q

largest of the carpal bones; large rounded head fits proximally into concavity formed by scaphoid and lunate

A

capitate

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26
Q

what is the joint between the proximal end of the metacarpal and their respective carpal called

A

carpometacarpal joint (CMC)

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27
Q

what carpal does the 1st metacarpal articulate with

A

trapezium

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28
Q

these bones make up the wrist

A

carpals

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29
Q

last carpal in the distal row, most medial

A

hamate

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30
Q

what are the 3 phalange bones called

A

proximal, middle, distal

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31
Q

all interphalangeal joints are classified as what type of synovial joint and with what type of movement

A

ginglymus (hinge) - flexion and extension

32
Q

visualized as a slightly radiolucent teardrop shape located just anterior to the distal humerus

A

anterior fat pad

33
Q

what type of synovial joints are the intercarpal joints

A

plane (gliding)

34
Q

how is the anterior portion of the metacarpal shaped

A

concave

35
Q

what carpal does the 2nd metacarpal articulate with

A

trapezoid

36
Q

how is the posterior portion of the metacarpal shaped

A

convex

37
Q

where is the head of the ulna located

A

distal end (toward wrist)

38
Q

what are the two shallow anterior depressions on the distal humerus

A

coronoid fossa and radial fossa

39
Q

how can the radius and ulna be completely separated on a radiograph

A

AP projection with hand supinated and laterally rotated 40-45 degrees

40
Q

each finger and thumb is referred to as a what

A

digit

41
Q

each digit consists of 2-3 separate bones called

A

phalanges (phalanx)

42
Q

what is digit 1

A

thumb

43
Q

how many phalanges does the first digit have

A

2

44
Q

the radius and ulna articulate with each other at what two joints

A
  • proximal radioulnar joint
  • distal radioulnar joint
45
Q

most proximal and lateral carpal; boat shaped and largest carpal bone in the proximal row

A

scaphoid

46
Q

what is digit 5

A

pinky finger

47
Q

located deep within the olecranon fossa and normally not visible on a negative (extended) elbow examination

A

posterior fat pad

48
Q

smooth depressed center portion of the trochlea

A

trochlear sulcus or groove

49
Q

what are the 3 parts of a phalanx

A

head, body, base

50
Q

what type of synovial joint is the elbow considered and with what type of movement

A

ginglymus (hinge) - flexion and extension

51
Q

what is the second carpal from the lateral side, in the proximal row; moon-shaped distinguished by deep concavity on distal surface to articulate with the capitate

A

lunate

52
Q

where are the styloid processes located

A

extreme distal ends of radius and ulna

53
Q

where is the head of the radius located

A

proximal end (toward elbow)

54
Q

what are the small conical projections of radius and ulna called

A

styloid process

55
Q

which styloid process extends more distally

A

radial

56
Q

most frequently fractured carpal bone

A

scaphoid

57
Q

which bone is directly involved in the wrist joint

A

radius

58
Q

what type of synovial joint is the 1st carpometacarpal joint and what type of movements does it allow

A

Saddle (sellar) - flexion, extension, abduction, adduction, circumduction, opposition, and some rotation

59
Q

what type of synovial joints are the 2nd-5th carpometacarpal joints

A

plane (gliding)

60
Q

which two carpals articulate with the radius proximally

A

scaphoid and lunate

61
Q

the 3 concentric arcs visible when the elbow is in a true lateral and flexed 90 degrees

A
  • trochlear sulcus
  • capitulum and trochlea
  • trochlear notch
62
Q

what is the joint between the two phalanges of the 1st digit called

A

interphalangeal joint (IP)

63
Q

rough oval process on the medial and anterior side of the radius just distal to the neck

A

radial tuberosity

64
Q

two beaklike processes of proximal ulna

A

olecranon process and coronoid process

65
Q

what carpal does the 3rd metacarpal articulate with

A

capitate

66
Q

smallest carpal, pea shaped, anterior to the triquetrum; most medial carpal bone in the proximal row

A

pisiform

67
Q

medial margin of coronoid process opposite of radial notch

A

coronoid tubercle

68
Q

what type of synovial joint is the wrist joint

A

ellipsoidal (condylar)

69
Q

long, thin stripe just anterior to the proximal radius

A

supinator fat stripe

70
Q

what must all be included for a radiograph of the thumb

A

distal phalanx to base of 1st metacarpal

71
Q

large concave depression or notch in the ulna articulates with the distal humerus

A

trochlear notch (semilunar notch)

72
Q

where is the 1st metacarpal

A

lateral side

73
Q

ligament that extends from the styloid process of the radius primarily to the lateral side of the scaphoid (tubercle) but also attaches to the trapezium

A

radial collateral ligament

74
Q

what type of synovial joint is the proximal radioulnar joint conisdered

A

pivot (trochoidal)

75
Q

fat stripe in wrist joint seen on lateral radiographs, approximately 1/4” (1 cm) from anterior surface of the radius

A

pronator fat stripe

76
Q

all of the metacarpophalangeal joints are classified as what type of synovial joint adn with what type of movement

A

ellipsoidal (condyloid) - flexion, extension, abduction, adduction, circumduction

77
Q

fat stripe in the wrist joint seen on AP and oblique projections, elongated and slightly convex located between the radial collateral ligament and adjoining muscle tendons immediately lateral to the scaphoid

A

scaphoid fat stripe

Positioning 1 (53 decks)

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