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Which projection of the foot best demonstrates the cuboid?

  1. AP oblique - medial rotation

  2. Lateral view

  3. AP view

  4. Oblique - lateral rotation

The correct answer is: AP oblique - medial rotation

The AP oblique projection with medial rotation is optimal for visualizing the cuboid bone. In this position, the foot is rotated approximately 30 to 40 degrees medially, which places the cuboid in a better plane for visualization. This rotation helps to separate the cuboid from adjacent structures, making it easier to assess any potential pathologies or fractures that may not be as apparent in other views. The lateral view may not effectively demonstrate the cuboid since it primarily shows the overall structure of the foot in profile, while the AP view provides less detail of the cuboid and its relationships with surrounding bones. An oblique projection with lateral rotation could potentially obscure the cuboid due to the overlapping of bones in that position, reducing the clarity of the visualization of this specific bone.