Rotating the arm medially for a lateral projection of the humerus will place the epicondyles _____ with the plane of the IR.
A) at a 30-degree angle
B) at a 45-degree angle
C) parallel
D) perpendicular

Question

Quizplus · Accepted Answer

Rotating the arm medially for a lateral projection of the humerus will place the epicondyles perpendicular with the plane of the IR. This is because the epicondyles are the most distal bony landmarks on the humerus and should be perpendicular to the IR for accurate positioning.

Rotating the Arm Medially for a Lateral Projection of the Humerus