 | This article needs additional citations for verification. (December 2009) |
| Ulnar collateral ligament (thumb) | |
|---|---|
| From | First metacarpal head |
| To | Volar aspect of proximal phalanx of the thumb |
| Anatomical terminology | |
The ulnar collateral ligament of the thumb runs along the ulnar side of the metacarpo-phalangeal joint of the thumb. The ulnar collateral ligament is an important stabilizer of the thumb.
It is on the radial side of the wrist, but on the ulnar side of the thumb. It should not be confused with the ulnar collateral ligament of wrist joint.