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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[edit on Wikidata]

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.

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. The interosseous membrane of the forearm and the annular ligament stabilise the joint.

A number of nerves run close to the proximal radioulnar joint, including:

• median nerve
• musculocutaneous nerve
• radial nerve

See also

• Distal radioulnar articulation
• Supination

References

This article incorporates text in the public domain from page 324 of the 20th edition of Gray's Anatomy (1918)

1. "Atlas of Pain Management Injection Techniques". ScienceDirect. Retrieved 2024-08-20.
2. ^ 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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