A finger that "locks" can be a telltale sign of another condition: Diabetes. Researchers suspected that this trigger finger, often in the ring finger or thumb, might indicate diabetes after frequently ...

Locked fingers, known as trigger finger, are more common among people with diabetes than in the general population. A study shows that the risk of being affected increases in the case of high blood ...

Trigger finger is a condition caused by inflammation of the flexor tendon of the fingers. Flexor tendons bend the finger as if you were squeezing a trigger. We think of our index finger as our ...