Proximal radioulnar articulation
The proximal radioulnar articulation, also known as the proximal radioulnar joint (PRUJ), is a synovial 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.
| Proximal radioulnar articulation | |
|---|---|
 Capsule of elbow-joint (distended). Anterior aspect. | |
 Annular ligament of radius, from above. The head of the radius has been sawn off and the bone dislodged from the ligament. | |
| Details | |
| Identifiers | |
| Latin | articulatio radioulnaris proximalis |
| TA98 | A03.5.09.004 |
| TA2 | 1775 |
| FMA | 38860 |
| Anatomical terminology | |
Structure
The proximal radioulnar joint is a synovial pivot joint. It occurs between the circumference of the head of the radius and the ring formed by the radial notch of the ulna and the annular ligament.[1] The interosseous membrane of the forearm and the annular ligament stabilise the joint.[1]
A number of nerves run close to the proximal radioulnar joint, including:
See also
References
This article incorporates text in the public domain from page 324 of the 20th edition of Gray's Anatomy (1918)
- Weiss, Arnold-Peter C.; Hastings, Hill (1992-07-01). "The anatomy of the proximal radioulnar joint". Journal of Shoulder and Elbow Surgery. 1 (4): 193–199. doi:10.1016/1058-2746(92)90013-S. ISSN 1058-2746. PMID 22971623.
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