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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.
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The proximal radio-ulnar joint (PRUJ) along with the humeroulnar and humeroradial joints form the articulating elements of the elbow.[1] The PRUJ is located in the proximal forearm and coordinates with the distal radio-ulnar joint (DRUJ) to facilitate the pronation and supination motions of the forearm.[2] The PRUJ helps facilitate these movements through static and dynamic stabilizing elements in the form of ligaments and muscles crossing the joint. A complex formation of neurovascular bundles supplies the muscles, bones, and joint capsule. Clinically, the PRUJ can be disrupted either through congenital or acquired (i.e., fractures, dislocations) conditions.