A Lateral Cervicothoracic Projection (Twining Method) with Poor Positioning Demonstrates

Multiple Choice

A lateral cervicothoracic projection (Twining method) with poor positioning demonstrates the humerus with the greater degree of magnification rotated posteriorly. How was the patient mispositioned for such a projection to be obtained?

A) The arm situated farther from the IR was rotated posteriorly.
B) The midcoronal plane was not aligned parallel with the IR.
C) The arm situated closer to the IR was rotated posteriorly.
D) The arm situated closer to the IR was not elevated.