Thumb ulnar collateral and radial collateral ligament injuries.

  title={Thumb ulnar collateral and radial collateral ligament injuries.},
  author={Nicole S Schroeder and Charles A. Goldfarb},
  journal={Clinics in sports medicine},
  volume={34 1},
Thumb metacarpophalangeal ulnar and radial collateral ligament injuries occur frequently in the competitive athlete. Collateral ligament integrity is essential to joint stability, pinch strength, and pain-free motion. Acute rupture of the ulnar collateral ligament is due to a sudden radial deviation force on the abducted thumb and is referred to as skier's thumb. An ulnar-directed force causes injury to the radial collateral ligament. The degree of joint instability on clinical examination… CONTINUE READING