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Positioning 1 > Ch. 4 Upper Limb > Flashcards

Ch. 4 Upper Limb Flashcards

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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
largest of the carpal bones; large rounded head fits proximally into concavity formed by scaphoid and lunate
capitate
26
what is the joint between the proximal end of the metacarpal and their respective carpal called
carpometacarpal joint (CMC)
27
what carpal does the 1st metacarpal articulate with
trapezium
28
these bones make up the wrist
carpals
29
last carpal in the distal row, most medial
hamate
30
what are the 3 phalange bones called
proximal, middle, distal
31
all interphalangeal joints are classified as what type of synovial joint and with what type of movement
ginglymus (hinge) - flexion and extension
32
visualized as a slightly radiolucent teardrop shape located just anterior to the distal humerus
anterior fat pad
33
what type of synovial joints are the intercarpal joints
plane (gliding)
34
how is the anterior portion of the metacarpal shaped
concave
35
what carpal does the 2nd metacarpal articulate with
trapezoid
36
how is the posterior portion of the metacarpal shaped
convex
37
where is the head of the ulna located
distal end (toward wrist)
38
what are the two shallow anterior depressions on the distal humerus
coronoid fossa and radial fossa
39
how can the radius and ulna be completely separated on a radiograph
AP projection with hand supinated and laterally rotated 40-45 degrees
40
each finger and thumb is referred to as a what
digit
41
each digit consists of 2-3 separate bones called
phalanges (phalanx)
42
what is digit 1
thumb
43
how many phalanges does the first digit have
2
44
the radius and ulna articulate with each other at what two joints
- proximal radioulnar joint - distal radioulnar joint
45
most proximal and lateral carpal; boat shaped and largest carpal bone in the proximal row
scaphoid
46
what is digit 5
pinky finger
47
located deep within the olecranon fossa and normally not visible on a negative (extended) elbow examination
posterior fat pad
48
smooth depressed center portion of the trochlea
trochlear sulcus or groove
49
what are the 3 parts of a phalanx
head, body, base
50
what type of synovial joint is the elbow considered and with what type of movement
ginglymus (hinge) - flexion and extension
51
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
lunate
52
where are the styloid processes located
extreme distal ends of radius and ulna
53
where is the head of the radius located
proximal end (toward elbow)
54
what are the small conical projections of radius and ulna called
styloid process
55
which styloid process extends more distally
radial
56
most frequently fractured carpal bone
scaphoid
57
which bone is directly involved in the wrist joint
radius
58
what type of synovial joint is the 1st carpometacarpal joint and what type of movements does it allow
Saddle (sellar) - flexion, extension, abduction, adduction, circumduction, opposition, and some rotation
59
what type of synovial joints are the 2nd-5th carpometacarpal joints
plane (gliding)
60
which two carpals articulate with the radius proximally
scaphoid and lunate
61
the 3 concentric arcs visible when the elbow is in a true lateral and flexed 90 degrees
- trochlear sulcus - capitulum and trochlea - trochlear notch
62
what is the joint between the two phalanges of the 1st digit called
interphalangeal joint (IP)
63
rough oval process on the medial and anterior side of the radius just distal to the neck
radial tuberosity
64
two beaklike processes of proximal ulna
olecranon process and coronoid process
65
what carpal does the 3rd metacarpal articulate with
capitate
66
smallest carpal, pea shaped, anterior to the triquetrum; most medial carpal bone in the proximal row
pisiform
67
medial margin of coronoid process opposite of radial notch
coronoid tubercle
68
what type of synovial joint is the wrist joint
ellipsoidal (condylar)
69
long, thin stripe just anterior to the proximal radius
supinator fat stripe
70
what must all be included for a radiograph of the thumb
distal phalanx to base of 1st metacarpal
71
large concave depression or notch in the ulna articulates with the distal humerus
trochlear notch (semilunar notch)
72
where is the 1st metacarpal
lateral side
73
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
radial collateral ligament
74
what type of synovial joint is the proximal radioulnar joint conisdered
pivot (trochoidal)
75
fat stripe in wrist joint seen on lateral radiographs, approximately 1/4" (1 cm) from anterior surface of the radius
pronator fat stripe
76
all of the metacarpophalangeal joints are classified as what type of synovial joint adn with what type of movement
ellipsoidal (condyloid) - flexion, extension, abduction, adduction, circumduction
77
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
scaphoid fat stripe

Positioning 1 (53 decks)

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