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What are the symptoms of trigger finger?

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Doctors call this stenosing tenosynovitis. It causes fingers or the thumb to lock in a bent position. It can be painful, especially when you bend or straighten the affected finger or thumb.

The condition develops when the flexor tendons, which control the movements of the fingers and thumb, become irritated. This can make them thicken within the tendon sheath that surrounds the flexor tendons.

Nodules may also form on the affected tendons. The sheath itself may thicken as well.

All of this prevents the smooth movement of the tendons. Eventually, the tendon may become stuck when you try to straighten a bent finger or thumb. You may also feel a catching sensation when the finger or thumb locks in place, and then a pop as the tendon is released.

From: Why Does My Hand Hurt? WebMD Medical Reference

SOURCES:

American Society for Surgery of the Hand: "De Quervain's Tendinitis," "Hand Fractures," "Arthritis: Osteoarthritis," "Trigger Finger."

American Academy of Orthopaedic Surgeons: "De Quervain's Tendinitis (De Quervain's Tendinosis)," "Arthritis of the Hand," "Trigger Finger."

American College of Rheumatology: "Carpal Tunnel Syndrome."

National Institute of Neurological Disorders and Stroke: "Carpal Tunnel Syndrome Fact Sheet."

Reviewed by Tyler Wheeler on December 24, 2018

SOURCES:

American Society for Surgery of the Hand: "De Quervain's Tendinitis," "Hand Fractures," "Arthritis: Osteoarthritis," "Trigger Finger."

American Academy of Orthopaedic Surgeons: "De Quervain's Tendinitis (De Quervain's Tendinosis)," "Arthritis of the Hand," "Trigger Finger."

American College of Rheumatology: "Carpal Tunnel Syndrome."

National Institute of Neurological Disorders and Stroke: "Carpal Tunnel Syndrome Fact Sheet."

Reviewed by Tyler Wheeler on December 24, 2018

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