What is trigger finger/thumb?

Also known as: stenosing tenosynovitis.

Trigger finger or trigger thumb is a common disorder in which a finger becomes locked in a flexed position and it catches or snaps when put into extension. While triggering of the fingers is common in adults, triggering of the thumbs is more common in infants and children.

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Reviewed by: Aaron J Berger, MD

This page was last updated on: 1/29/2019 3:21:13 PM