---
title: Thumb Ulnar Collateral Ligament (UCL) Injury
description: "This condition, also called skier's thumb, is an acute sprain or tear of the ulnar collateral ligament (UCL) on the ulnar side of the metacarpal-phalangeal (MCP) joint of the thumb. A related condition, called gamekeeper's thumb, is a chronic injury that develops over time from repeated stretching of the UCL."
date_modified: "2023-09-15T14:48:48-04:00"
---

 

#####  Thumb Ulnar Collateral Ligament (UCL) Injury 

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This condition, also called skier's thumb, is an acute sprain or tear of the ulnar collateral ligament (UCL) on the ulnar side of the metacarpal-phalangeal (MCP) joint of the thumb. A related condition, called gamekeeper's thumb, is a chronic injury that develops over time from repeated stretching of the UCL.

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