[Measurement of the humeral retroversion angle using a simple X-ray pictorial image].


The semi-axial-view method is used to measure humeral retroversion angles by a single x-ray exposure. We examined the clinical utility of this method using a humerus model and normal volunteers. In an experiment with a humerus model, humeral retroversion angles were measured at various positioning angles by the semi-axial-view method, and compared with the… (More)


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