Where is the IR centered for an AP projection of the knee?
A) $1 / 2$ inch above the patellar apex
B) 1 inch above the patellar apex
C) $1 / 2$ inch below the patellar apex
D) 1 inch below the patellar apex

Question

Quizplus · Accepted Answer

The IR is centered $1 / 2$ inch below the patellar apex for an AP projection of the knee to ensure proper visualization of the joint space.

Where Is the IR Centered for an AP Projection of the Knee