Treatments & Conditions | Hand Microsurgery in Erie, PA

Trigger Finger

Trigger finger affects the tendons inside the finger or thumb. Tendons connect muscle to the bone and allow you to bend or straighten your fingers. With trigger finger, the tendons become swollen and inflamed which makes it difficult for your fingers to function naturally. Generally, the cause of trigger finger is unknown. Pain and swelling can occur where the finger or thumb joins the palm. As the tendon becomes more inflamed, the finger may catch when straightened. When the locked tendon releases, the finger pops as if releasing the trigger of a gun. This further irritates the tendon and may set up a cycle of swelling and catching.

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