Which of the following describes the proper method to position the humerus for an AP projection?
A) Upper limb adducted; elbow flexed; humeral epicondyles perpendicular to IR
B) Upper limb abducted; elbow extended; humeral epicondyles parallel to IR
C) Upper limb adducted; elbow extended; humeral epicondyles parallel to IR
D) Upper limb abducted; elbow flexed; humeral epicondyles perpendicular to IR