Ulnar collateral ligament of thumb
Ligament of the thumb
From Wikipedia, the free encyclopedia
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.
FromFirst metacarpal head
ToVolar aspect of proximal phalanx of the thumb
| Ulnar collateral ligament (thumb) | |
|---|---|
| From | First metacarpal head |
| To | Volar aspect of proximal phalanx of the thumb |
| Anatomical terminology | |
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.
