Lateral wrist radiograph: effect of pronation-supination

Case contributed by Mr Andrew Murphy

As the distal radioulnar joint undergoes pronation-supination at the wrist level the radius can undergo rotation of up to 180° yet, the ulna will undergo limited to no movement within the arc of a circle( X1≒ X). To translate this into everyday terms, isolated rotation at the wrist from the PA position means the radius moves around a stationary distal ulna, resulting in a lateral view of the distal radius but not the ulna.

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Case information

rID: 45429
Case created: 25th May 2016
Last edited: 25th May 2016
Inclusion in quiz mode: Excluded

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