Question

When examining a patient whose elbow is in partial flexion : the AP projection requires two separate positions and exposures.

Answer 1

The AP projection for examining a partially flexed elbow requires two positions and exposures: one with the forearm pronated and another with the forearm supinated.

Step-by-step explanation:

The AP projection for examining a patient's elbow in partial flexion requires two separate positions and exposures. This is because the AP (anteroposterior) projection involves capturing an image of the elbow joint from front to back. To achieve this, the patient's arm needs to be positioned in two different ways: one with the forearm pronated (palm facing down) and another with the forearm supinated (palm facing up). These different positions allow for a comprehensive view of the bones and joints in the elbow.