Trigger thumb

Trigger Thumb
Disease Information
Overview In-Depth Tests Treatment
& Care Contact Us ...

trigger finger/trigger thumb - a tenosynovitis condition in which the tendon sheath becomes inflamed and thickened, thus preventing the smooth extension or flexion of the finger/thumb. The finger/thumb may lock or "trigger" suddenly.

Trigger finger or trigger thumb occurs when the flexor tendon and its sheath in a finger or thumb thicken or swell.

See also: Gout, Symptom, Rheum, Rheumatoid Arthritis, Arthritis