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Trigger finger

Definition

Trigger finger is a condition in which one of your fingers or your thumb catches in a bent position. Your finger or thumb may straighten with a snap — like a trigger being pulled and released. If trigger finger is severe, your finger may become locked in a bent position.

Often painful, trigger finger is caused by a narrowing of the sheath that surrounds the tendon in the affected finger. People whose work or hobbies require repetitive gripping actions are more susceptible. Trigger finger is also more common in women than in men, and in anyone with diabetes.

Treatment of trigger finger, also known as stenosing tenosynovitis, varies depending on the severity.



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BONES JOINTS AND MUSCLES


Aug 8, 2008