Final answer:
To best demonstrate the iliac wing, the patient should be positioned in lateral decubitus or lateral oblique position.
Step-by-step explanation:
To best demonstrate the iliac wing, the patient should be positioned in lateral decubitus or lateral oblique position. In the lateral decubitus position, the patient lies on their side with the affected hip facing up and the unaffected hip flexed. This position allows for better visualization of the iliac wing.
In the lateral oblique position, the patient lies on their back, and the affected hip is rotated outward. This position helps to bring the iliac wing into full view.
Both positions can be used in imaging studies such as X-rays or CT scans to obtain clear images of the iliac wing.