How much should the plantar surface of the foot be elevated from the IR for the AP oblique projection?

For the AP oblique projection of the foot, the plantar surface should be elevated approximately 30 degrees from the image receptor (IR). This angulation is crucial because it helps to visualize the intertarsal and tarsometatarsal joints clearly, as well as reducing the overlap of the metatarsal bones.

By elevating the foot at this specific angle, the representation of these anatomical structures is improved, allowing for better diagnostic imaging. The 30-degree elevation helps achieve a proper projection, which is essential for clear and accurate radiographic evaluation. This position also maintains comfort for the patient while facilitating accurate alignment for optimal imaging results.