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Trigger Finger Case Study

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Overview

Trigger finger, sometimes called trigger thumb, is a condition that locks a person’s finger into a bent position. Sometimes the finger will then snap straight out, similar to the way a trigger is pulled and released. It happens when inflammation causes the space around the sheath that protects the tendon to narrow. In severe cases, the finger cannot be straightened out.

The irritation and inflammation associated with trigger finger disrupts the normal gliding motion of the tendon as it moves through the sheath. This interference contributes to the trademark bent position of an affected finger. If the tendon sheath remains irritated for an extended period of time, it can lead to thickening, scarring, and bumps that further impede

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