Why Your Fingers Lock Up: A List of Different Causes
Trigger finger, the term used to describe fingers locking up, occurs when fingers become stuck in a flexed position as if you’re trying to pull on a trigger. It can be caused by swelling around tendons in the fingers, causing them to be unable to move as they should. This article discusses the causes and risk factors of finger locking and when to see a healthcare provider.
Source: yahoo.com