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.
Question 2
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 su-perior 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.
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