Shoulder Girdle Flashcards
(63 cards)
1
Q
what is consider the shoulder joint
A
head of humerus and glenoid cavity of scapula
2
Q
the shoulder girdle consist of
A
scapula and clavicle
3
Q
Is the humerus part of the shoulder girdle?
A
no
4
Q
AC joint
A
acromioclavicular joint
5
Q
SC joint
A
articulation of the medial end of clavicle with sternum
6
Q
what type of bone is the scapula
A
flat bone
7
Q
name the 2 extremity of the of the clavicle?
A
acromial and sternal
8
Q
the clavicle is just above which rib?
A
the first
9
Q
anterior aspect of scapula
A
costal surface
10
Q
deep depression on the superior border
A
scapular notch
11
Q
large protrusion on dorsal surface
A
spine
12
Q
lateral extension of scapular spine
A
acromion
13
Q
large fossa at lateral angle
A
glenoid cavity
14
Q
extends from superior angle to coracoid process
A
superior border
15
Q
the junction of the medial and superior borders
A
superior angle
16
Q
large depression on costal surface
A
subscapular fossa
17
Q
the junction of medial and lateral borders
A
inferior angle
18
Q
area above the scapular spine on dorsal surface
A
supraspinous fossa
19
Q
large broad area below the spine on dorsal surface
A
infraspinous fossa
20
Q
extends from the glenoid cavity to the inferior angle
A
lateral border
21
Q
extends from the superior angle to the inferior angle
A
medial border
22
Q
slender, finger-like projection extending anteriorly and laterally from near the lateral angle
A
coracoid process
23
Q
IR size for shoulder projection
A
10x 12
24
Q
Essential projections of the shoulder
A
AP-Internal, external, neutral
AP Oblique (Grashey Method)
Transthoracic lateral (Lawrence Method)
Inferosuperior Axial (Lawrence Method)
PA oblique (scapular Y)
25
AP shoulder external rotation
Hand is supinated and epicondyles are parallel to the plane of the IR
CR: 0° and 1" inferior to coracoid process
Collimate 10 x 12"
IR is crosswise
Respiration: Suspend
26
AP shoulder neutral rotation
leave arm in neutral pos, palm against hip, CR 1" inch inferior to the coracoid process
27
what is the purpose of the neutral Ap shoulder position
for trauma/ dislocation
28
what is seen in profile of AP External rotation
greater tubercle on outer edge
29
what is seen in profile on the AP internal rotation?
lesser tubercle
30
what projection is used for the glenoid cavity
AP oblique (Grashey)
31
AP Oblique (Grashey) - Shoulder
Position: Upright or supine, Rotated 35 to 45 degrees toward affected side. Scapula parallel to IR. Arm can be rested on abdomen
CR: Perpendicular to shoulder joint
Eval Criteria: Glenoid cavity in profile
32
PA Oblique (Scapular Y) is used to see
shoulder dislocation
33
PA Oblique Scapular Y position /degree
45-60 anterior oblique position,RAO/LAO, CR- PER TO scapularhumeral joint
34
For PA Oblique (scapular y), is it/degree ?
A) RPO/LPO
B) RA0/LAO
B) RAO/LAO, 45-60 degrees
35
For AP oblique (Grashey) is it/ degree of turn?
A) RPO/LPO
B) RAO/LAO
A) RPO/LPO, 35-45 Degree
36
during scapular y, if humerus is under Acromion?
A) posterior fracture
B) Anterior fracture
A) posterior fracture
37
essential projections of clavicle
AP,PA, AP Axial, and PA Axial
38
what is the preferred projection for clavicle ?
PA, because of OID
39
during scapular Y, if humerus is under coracoid ?
A) posterior fracture
B) Anterior fracture
B) Anterior fracture
40
Inferiosuperior Axial projection describe
pt supine, head turn away from CR, Abduct arm away from CR, CR- horizontal angle 15-30 degree
41
how many images do you need for clavicle?
AP/AP Axial or PA/ PA Axial
42
where is CR for AP clavicle
mid shaft of clavicle
43
what is the name of the fossa on the anterior surface of the scapula?
A) subscapular
b) infra scapular
c) scapular notch
A) subscapular
44
Of which part of the scapula is the acromion an extension ?
spine
45
```
which is a ball and socket joint?
A)Acromioclavicular
B) humeroulnar
C) Scapulohumeral
D) sternoclavicular
```
C) scapulohumeral
46
which portion of the scapula articulates with the humeral head?
A)acromion
B) coracoid process
C) Glenoid fossa
C) Glenoid fossa
47
which portion of the scapula articulates with the clavicle?
Acromion
48
When performing AP projection of the shoulder, where should the central ray be directed?
1 inch inferior to the coracoid process
49
With reference to the plane of the IR, how should the humeral epicondyles be positioned for the AP projection of the shoulder in external rotation?
parallel
50
With reference to the plane of the IR, how should the humeral epicondyles be positioned for the AP projection of the shoulder with the shoulder in internal rotation?
Perpendicular
51
With reference to the plane of the IR, how should the humeral epicondyles be positioned for the AP projection of the shoulder with the shoulder in neutral rotation?
perpendicular
52
Which projection of the shoulder best demonstrates the greater tubercle of the humerus in profile?
AP projection with external rotation
53
which projection of the shoulder best demonstrates the greater tubercle of the humerus in profile?
a) AP neutral
b) AP internal rotation
c) Ap external rotation
Ap projection with external rotation
54
Which projection of the shoulder best demonstrates the lesser tubercle of the humerus in profile and pointing toward the glenoid cavity?
a) Transthoractic
b) AP projection with internal rotation
c) Ap projection with external rotation
B) Ap projection internal rotation
55
when performing the transthoracic lateral projection( Lawrence method) of the humerus, which breathing technique should improve the best image contrast and decrease the exposure necessary to penetrate the body?
a) rapid breathing
b) shallow breathing
c) suspended full expiration
d) suspended full inspiration
D) suspended full inspiration
56
which projection of the shoulder requires that a horizontal central ray be directed 15 to 30 degrees medially and enter the axilla of the affected arm?
a) AP projected
b) PA oblique (scapular Y) projection
c) Inferosuperior axial projection( Lawrence method)
d) Transthoracic lateral projection ( Lawrence method)
C
57
How should be the central ray be directed for PA oblique projection (scapular y) of the shoulder?
a) cephalically 15 to 20 degree
b) perpendicular to IR
B
58
In which body POSITION should the patient be placed to demonstrate the left shoulder with the PA Oblique projection (scapular y)
Left Anterior Oblique (LAO)
59
Which projection of the shoulder joint requires the patient to be rotated until the midcoronal plane forms an angle of 45-60 degrees with the plane of the IR
PA Oblique Projection (Scapular Y)
60
Where is the humerus generally demonstrated on a PA Oblique shoulder (Scapular Y) image if the shoulder is normal
a) beneath the acromion
b) beneath the coracoid process
c) Superimposed on the junction of the acromion and coracoid process
C
61
Which projection demonstrates the scapulohemeral joint space open and the glenoid cavity in profile
a) PA oblique
b) AP Oblique projection ( Grashey Method)
c) AP projection external rotation
B
62
What would be the required patient POSITION to demonstrate the left shoulder using the AP Oblique projection ( Grashey Method)
a) 10 to 15 digress RPO
b) 35- 45 degrees LPO
B
63
How many degrees and in which direction should the CR be directed for the AP axial projection of the clavicle with the patient supine
15-30 degrees Cephaled
