proximal radioulnar articulation


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prox·i·mal ra·di·o·ul·nar joint

[TA]
the pivot synovial joint between the head of the radius and the ring formed by the radial notch of the ulna and the annular ligament.

proximal radioulnar articulation

the pivot joint between the circumference of the head of the radius and the ring formed by the radial notch of the ulna and the annular ligament. The joint allows the rotary movements of the head of the radius in pronation and supination. Also called superior radioulnar joint. Compare distal radioulnar articulation.
References in periodicals archive ?
The elbow comprises three articulations: the radiocapitellar joint (Figure 1), the trochleoulnar joint (Figure 2), and the proximal radioulnar articulation, each with its own group of nerve, vessel and muscular involvement.
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