| 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.
Clinical significance
Injuries to it cause instability and loss of function of the thumb.[1] Acutely this injury is known as the Skier's thumb[2] or if the result of chronic injury Gamekeeper's thumb.
References
- ↑ Tsiouri, Chrysi; Hayton, Michael J.; Baratz, Mark (2008). "Injury to the Ulnar Collateral Ligament of the Thumb". HAND. 4 (1): 12–18. doi:10.1007/s11552-008-9145-8. ISSN 1558-9447. PMC 2654954. PMID 18975032.
- ↑ Jeffrey Bytomski; Claude Moorman; Domhnall MacAuley (2010). Oxford American Handbook of Sports Medicine. Oxford University Press US. p. 186. ISBN 978-0-19-537219-9.
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