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
Question 2
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
Muscles of the upper right Extremity
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