A Poorly Positioned PA Oblique Wrist Projection Demonstrates Superimposition of the Trapezoid

question 66

Multiple Choice

A poorly positioned PA oblique wrist projection demonstrates superimposition of the trapezoid and trapezium, and the capitate is superimposed by the trapezoid. How should the positioning setup be adjusted to obtain an optimal projection?

• A) Align the third metacarpal and midforearm, decreasing radial flexion.
• B) Increase the degree of medial wrist rotation.
• C) Decrease the degree of medial wrist rotation.
• D) Increase hand extension.

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