Test 3, Shoulder Girdle Flashcards

1
Q

The bones that connect the upper limb to the trunk are collectively termed the:

A

Shoulder girdle

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2
Q

The shoulder girdle consists of:

A

Clavicle and Scapula

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3
Q

What joint is formed by the articulation of the glenoid cavity and the head of the humerus

A

Scapulohumeral Joint

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4
Q

How many joints in the shoulder girdle? Name them.
(POSSIBLE BONUS QUESTION)

A

3
Scapulohumeral (SH) (ball and socket)
acromioclavicular (AC) (gliding)
sternoclavicular (SC) (double gliding)

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5
Q

The area of the proximal humerus located directly under the tubercles, which is the site of many fractures, is called the:

A

Surgical Neck

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6
Q

The acromial extremity of the clavicle articulates with the:

A

Acromion process of the scapula

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7
Q

The small synovial fluid-filled sacs that protect the shoulder girdle are called:

A

Bursae

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8
Q

To demonstrate the greater tubercle of the humerus on an AP of the shoulder, the epicondyles must be placed ____

A

Parallel to the IR

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9
Q

To demonstrate the lesser tubercle of the humerus on an AP of the shoulder, what patient position would you use?

A

Internal rotation (back of hand on hip)

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10
Q

For an AP of the shoulder, the central ray should be directed, at what angle?

A

0 Degrees

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11
Q

For an AP projection of the shoulder with the arm in a neutral position, how should the humeral epicondyles be positioned in regard to the IR plane?

A

45 degrees (obliqued)

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12
Q

The respiration phase for an AP projection of the shoulder should be

A

Suspended

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13
Q

What is the recommended exposure field dimensions for the AP projection of the shoulder?

A

10x12 inches (24x30 cm)

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14
Q

For an AP projection of the shoulder, the central ray should enter

A

1 inch (2.5cm) inferior to the coracoid process

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15
Q

What structure is prominently shown in profile on an AP projection of the shoulder, internal rotation position?

A

Lesser tubercle

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16
Q

Which of the following is prominently shown in profile on an AP projection of the shoulder with the humerus in external rotation?

A

Greater tubercle

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17
Q

The scapulohumeral articulation is classified as a _______ joint, _______ type.

A

Synovial; ball and socket

18
Q

If the patient places the back of the hand against the hip, the humerus will be in what rotation?

A

Internal rotation

19
Q

For the PA oblique projection (scapular Y) of the shoulder, the body is rotated so that the midcoronal plane is how many degrees from the IR?

20
Q

What is the central ray angle for the PA oblique projection (scapular Y) of the shoulder joint?

21
Q

Which structure(s) is projected in lateral profile on a PA oblique (scapular Y) projection?

22
Q

The clavicle is classified as a(n) _____ bone.

23
Q

The scapula is classified as a(n) _________ bone.

24
Q

What anatomy is superimposed over the junction of the Y on the PA oblique (scapular Y) projection on a patient with a normal shoulder joint?

A

Humeral Head

24
The scapular Y view is especially helpful in diagnosing:
Dislocation
25
The lesser tubercle is situated on which surface of the humorous
Anterior, immediately below the anatomic neck
26
What two structures articulate to form the SC joint?
-Manubrium of sternum - Medial end of clavicle
27
All of the joints of the shoulder girdle are ______ and, they are known as _____
synovial, freely movable
28
Which position of the hand will place the humerus in a neutral position?
Palm against the thigh
29
What position of the hand will place the humerus in external rotation?
Supination
30
What two bones connect the upper limb to the trunk?
- Clavicle (posterierly) - Scapula (anteriorly)
31
For an AP projection of the shoulder, the central ray should be directed:
Perpendicular to the IR
32
The acromion is apart of the ______
Scapula lateral end
33
Which position of the hand will place the humerus in a neutral position?
Palm against the thigh
34
The PA oblique projection of the shoulder joint (scapular Y) is performed in which position?
- Supine/Erect - RAO or LAO
35
Where is the inferior angle?
Bottom of scapula!
36
Where is the greater tubercle located?
lateral side of the humerus
37
Where is the intertubercular groove?
in between the greater and lesser tubercle
38
In a neutral shoulder rotation the _____ is in profile on an x ray image.
greater tubercle of the humerus
39
Is the humerus considered to be part of the shoulder girdle?
NO
40
Where does the clavicle lie?
just above the first rib