Radial collateral ligament of wrist joint

Radial collateral ligament (wrist)
Ligaments of wrist. Anterior view. (Radial collateral visible at center left.)
Details
From	Radial styloid process
To	Lateral scaphoid and trapezium
Identifiers
Latin	ligamentum collaterale carpi radiale
TA98	A03.5.11.008
TA2	1801
FMA	40006
Anatomical terminology [edit on Wikidata]

The radial collateral ligament (external lateral ligament, radial carpal collateral ligament) extends from the tip of the styloid process of the radius and attaches to the radial side of the scaphoid (formerly navicular bone of the hand), immediately adjacent to its proximal articular surface and some fibres extend to the lateral side of the trapezium (greater multangular bone).

It is in relation with the radial artery, which separates the ligament from the tendons of the Abductor pollicis longus and extensor pollicis brevis.

The radial collateral ligament's role is to limit ulnar deviation at the wrist.

This article incorporates text in the public domain from page 328 of the 20th edition of Gray's Anatomy (1918)

• Hand kinesiology at the University of Kansas Medical Center
• http://classes.kumc.edu/sah/resources/handkines/ligaments/wvsradcoll.htm

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