A Poorly Positioned 45-Degree AP Oblique Ankle Projection Demonstrates the Calcaneus

Multiple Choice

A poorly positioned 45-degree AP oblique ankle projection demonstrates the calcaneus obscuring the distal aspect of the lateral mortise and the distal fibula. How should the positioning setup be adjusted to obtain an optimal projection?

A) Increase the degree of internal leg rotation.
B) Decrease the degree of internal leg rotation.
C) Dorsiflex the foot to a 90-degree angle with the lower leg.
D) Center the central ray more distally on the ankle.