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A tangential supraspinatus outlet projection (Neer method) that was obtained with the patient underrotated demonstrates the 1) glenoid fossa medially. 2) medial scapular border closer to the ribs than the lateral scapular border. 3) superior scapular angle 0.5 inch inferior to the clavicle. 4) lateral scapular border closer to the ribs than the medial scapular border.


A) 1 and 3 only
B) 1 and 4 only
C) 2 and 3 only
D) 3 and 4 only

E) B) and C)
F) C) and D)

Correct Answer

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An AP scapular projection with accurate positioning demonstrates 1) almost superimposed anterior and posterior glenoid fossa margins. 2) the vertebral scapular border without thoracic cavity superimposition. 3) the humeral shaft at a 90-degree angle with the body. 4) the supraspinatus fossa and superior scapular angle without clavicular superimposition.


A) 1 and 3 only
B) 1, 3, and 4 only
C) 1 and 2 only
D) 3 and 4 only

E) A) and D)
F) None of the above

Correct Answer

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An AP oblique shoulder projection (Grashey method) obtained with the patient rotated less than required to obtain accurate positioning demonstrates 1) more than 0.25 inch (0.6 cm) of the coracoid superimposed over the humeral head. 2) a closed glenohumeral joint. 3) increased longitudinal clavicular foreshortening. 4) an increase in the amount of thorax and scapular body superimposition.


A) 2 only
B) 1, 2, and 3 only
C) 3 and 4 only
D) 1, 2, 3, and 4

E) All of the above
F) A) and D)

Correct Answer

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A

An AP shoulder projection obtained with the humeral epicondyles positioned parallel with the IR demonstrates the 1) greater tubercle in profile laterally. 2) lesser tubercle in profile medially. 3) humeral head in profile medially. 4) greater tubercle superimposed over the humeral head.


A) 1 and 3 only
B) 1 and 2 only
C) 3 and 4 only
D) 2 and 4 only

E) B) and D)
F) None of the above

Correct Answer

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A

An AP right shoulder projection obtained with the patient's body rotated away from the affected shoulder demonstrates 1) the scapula with decreased thoracic superimposition. 2) the medial end of the right clavicle superimposed over the vertebral column. 3) a transversely foreshortened scapular body. 4) the glenoid fossa in profile.


A) 1 and 4 only
B) 1, 2, and 3 only
C) 3 and 4 only
D) 1, 2, 3, and 4

E) A) and B)
F) B) and C)

Correct Answer

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An accurate PA oblique scapular Y shoulder projection is obtained


A) when an imaginary line connecting the coracoid process and acromion angle is aligned perpendicular to the IR.
B) when the resulting image demonstrates the superior scapular angle positioned superior to the clavicle.
C) when an imaginary line connecting the coracoid process and acromion angle is aligned parallel with the IR.
D) only when the glenoid cavity superimposes the humeral head.

E) All of the above
F) A) and C)

Correct Answer

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An optimal AP clavicle projection demonstrates all of the following except the


A) midclavicle in the center of the IR.
B) midclavicle superimposing the superior scapular angle.
C) middle and lateral thirds of the clavicle seen superior to the acromion process.
D) medial clavicular end adjacent to the vertebral column.

E) A) and B)
F) A) and C)

Correct Answer

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A PA oblique scapular Y shoulder projection with accurate positioning demonstrates 1) the superior angle of the scapular at the same transverse level as the clavicle. 2) superimposed scapular borders. 3) a laterally situated glenoid fossa. 4) the coracoid, acromion, and humerus creating the arms and leg of the Y formation.


A) 1 and 2 only
B) 2 and 4 only
C) 1 and 3 only
D) 1, 2, and 4 only

E) A) and D)
F) A) and C)

Correct Answer

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The AP axial shoulder projection (Stryker method) 1) is performed to demonstrate the Hill-Sachs defect. 2) is obtained with the affected humerus vertical and the palm of the hand placed on top of the head. 3) uses a 10-degree caudal central ray angle. 4) is obtained with the patient in a supine position.


A) 3 and 4 only
B) 2, 3, and 4 only
C) 1, 2, and 4 only
D) 1, 2, 3, and 4

E) A) and D)
F) B) and C)

Correct Answer

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Accurate alignment of the central ray and glenoid cavity on an inferosuperior axial shoulder projection


A) is unaffected by the degree of humeral abduction.
B) is affected by the alignment of the humeral epicondyle with the floor.
C) is obtained when the humerus is abducted to 60 degrees and the central ray to lateral body surface angle is set at 30 degrees.
D) will demonstrate the lateral edge of the coracoid process base aligned with the inferior glenoid cavity.

E) C) and D)
F) A) and B)

Correct Answer

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A PA oblique scapular Y shoulder projection that was obtained with the patient overrotated demonstrates the 1) glenoid fossa medially. 2) medial scapular border closer to the ribs than the lateral scapular border. 3) superior scapular angle superior to the clavicle. 4) lateral scapular border closer to the ribs than the medial scapular border.


A) 1 and 2 only
B) 1 and 4 only
C) 2 and 3 only
D) 3 and 4 only

E) B) and C)
F) B) and D)

Correct Answer

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A PA oblique scapular Y shoulder projection obtained with the patient's upper midcoronal plane tilted toward the IR demonstrates 1) the glenoid cavity on end. 2) the superior scapular angle superior to the clavicle. 3) a longitudinally foreshortened scapular body. 4) the superior scapular angle inferior to the clavicle.


A) 2 and 4 only
B) 3 only
C) 2 and 3 only
D) 1, 2, and 3 only

E) All of the above
F) A) and D)

Correct Answer

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A poorly positioned AP shoulder projection demonstrating most of the articulating surface of the glenoid cavity


A) will also demonstrate the medial clavicular end superimposing the vertebrae.
B) will also demonstrate longitudinal foreshortening of the scapular body.
C) was obtained because the upper midcoronal plane was tilted posteriorly.
D) was obtained because the patient was rotated toward the affected shoulder.

E) All of the above
F) A) and B)

Correct Answer

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The vertebral and lateral borders of the scapular body are demonstrated without superimposition on a tangential supraspinatus outlet projection. The medial scapular border is demonstrated next to the ribs, and the lateral border is visualized laterally. How should the patient or central ray be repositioned to obtain an optimal image?


A) Increase the degree of patient rotation.
B) Decrease the degree of patient rotation.
C) Tilt the upper midcoronal plane toward the IR.
D) Increase the central ray angulation.

E) None of the above
F) C) and D)

Correct Answer

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An anteriorly dislocated shoulder is demonstrated on an AP shoulder projection when the humeral head is demonstrated inferior to the


A) acromion process.
B) coracoid process.
C) scapular spine.
D) scapular notch.

E) B) and D)
F) A) and D)

Correct Answer

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For an inferosuperior axial shoulder projection, 1) the patient's shoulder is elevated on a sponge or washcloth. 2) the patient's head is tilted and rotated toward the affected shoulder. 3) the patient's affected arm is externally rotated. 4) a 30- to 35-degree central ray to lateral body surface angle is used if the arm is abducted at a 90-degree angle to the torso.


A) 1 and 2 only
B) 2 and 3 only
C) 1, 3, and 4 only
D) 1, 2, 3, and 4

E) None of the above
F) A) and B)

Correct Answer

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Longitudinal foreshortening of the scapula is demonstrated on an AP shoulder projection when the


A) superior scapular angle is visualized superior to the clavicle.
B) clavicle superimposes the superior scapular angle.
C) glenoid cavity is demonstrated in profile.
D) glenoid cavity is demonstrated on end.

E) All of the above
F) A) and D)

Correct Answer

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In an AP shoulder projection with external rotation of the humerus, the greater tubercle will be seen


A) in lateral profile.
B) in medial profile.
C) superimposed with the humeral head.
D) in partial lateral profile.

E) All of the above
F) A) and B)

Correct Answer

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An AP AC joint projection with a kyphotic patient will require a _____ angulation of the CR, aligned perpendicular to the _____.


A) caudal, scapular body
B) cephalic, scapular body
C) cephalic, upper one-third of the humerus
D) caudal, upper one-third of the humerus

E) A) and B)
F) A) and C)

Correct Answer

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An optimal AP scapula projection demonstrates all of the following except the


A) lateral scapular border without thoracic superimposition.
B) superior scapular angle about 0.25 inch (0.6 cm) inferior to the clavicle.
C) humeral shaft at 90 degrees of abduction.
D) glenoid cavity in profile.

E) All of the above
F) A) and D)

Correct Answer

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D

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