Test 3, Shoulder Girdle

Question 1

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

Answer 1

Shoulder girdle

Question 2

The shoulder girdle consists of:

Answer 2

Clavicle and Scapula

Question 3

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

Answer 3

Scapulohumeral Joint

Question 4

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

Answer 4

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

Question 5

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

Answer 5

Surgical Neck

Question 6

The acromial extremity of the clavicle articulates with the:

Answer 6

Acromion process of the scapula

Question 7

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

Answer 7

Bursae

Question 8

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

Answer 8

Parallel to the IR

Question 9

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

Answer 9

Internal rotation (back of hand on hip)

Question 10

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

Answer 10

0 Degrees

Question 11

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?

Answer 11

45 degrees (obliqued)

Question 12

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

Answer 12

Suspended

Question 13

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

Answer 13

10x12 inches (24x30 cm)

Question 14

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

Answer 14

1 inch (2.5cm) inferior to the coracoid process

Question 15

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

Answer 15

Lesser tubercle

Question 16

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

Answer 16

Greater tubercle

Question 17

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

Answer 17

Synovial; ball and socket

Question 18

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

Answer 18

Internal rotation

Question 19

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?

Answer 19

45 to 60

Question 20

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

Answer 20

0 degrees

Question 21

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

Answer 21

Scapula

Question 22

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

Answer 22

Long

Question 23

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

Answer 23

Flat

Question 24

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?

Answer 24

Humeral Head

Question 24

The scapular Y view is especially helpful in diagnosing:

Answer 24

Dislocation

Question 25

The lesser tubercle is situated on which surface of the humorous

Answer 25

Anterior, immediately below the anatomic neck

Question 26

What two structures articulate to form the SC joint?

Answer 26

-Manubrium of sternum
- Medial end of clavicle

Question 27

All of the joints of the shoulder girdle are ______ and, they are known as _____

Answer 27

synovial, freely movable

Question 28

Which position of the hand will place the humerus in a neutral position?

Answer 28

Palm against the thigh

Question 29

What position of the hand will place the humerus in external rotation?

Answer 29

Supination

Question 30

What two bones connect the upper limb to the trunk?

Answer 30

• Clavicle (posterierly)
• Scapula (anteriorly)

Question 31

For an AP projection of the shoulder, the central ray should be directed:

Answer 31

Perpendicular to the IR

Question 32

The acromion is apart of the ______

Answer 32

Scapula lateral end

Question 33

Which position of the hand will place the humerus in a neutral position?

Answer 33

Palm against the thigh

Question 34

The PA oblique projection of the shoulder joint (scapular Y) is performed in which position?

Answer 34

• Supine/Erect
• RAO or LAO

Question 35

Where is the inferior angle?

Answer 35

Bottom of scapula!

Question 36

Where is the greater tubercle located?

Answer 36

lateral side of the humerus

Question 37

Where is the intertubercular groove?

Answer 37

in between the greater and lesser tubercle

Question 38

In a neutral shoulder rotation the _____ is in profile on an x ray image.

Answer 38

greater tubercle of the humerus

Question 39

Is the humerus considered to be part of the shoulder girdle?

Answer 39

NO

Question 40

Where does the clavicle lie?

Answer 40

just above the first rib