For the lateral projection of the forearm, the elbow should be flexed _____ degrees.
A) 45
B) 80
C) 90
D) 120

Question

Quizplus · Accepted Answer

The lateral projection of the forearm is performed with the elbow joint flexed at 90 degrees. This allows for visualization of the radius and ulna bones in a lateral view without overlap of the wrist or elbow joints. Flexing the elbow at 45 degrees or 80 degrees would not provide as clear a view, while flexing at 120 degrees would require the patient to hyperextend their elbow, which may be uncomfortable or painful.

For the Lateral Projection of the Forearm, the Elbow Should