Thumb Sprains

The most common ligament to be injured in the thumb is the ulnar collateral ligament. Injury to this ligament is sometimes called “skier’s thumb” because it is a common skiing injury. It occurs when the skier falls and the pole acts as a fulcrum in the hand to bend the thumb in an extreme position. This ligament may also be injured by jamming the thumb on the ground when falling or by jamming the thumb on a ball or other player. The radial collateral ligament may also be injured. It is much less commonly injured than the ulnar collateral ligament.

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