Basal Joint Osteoarthritis

What is Basal Joint Osteoarthritis?

Arthritis is a condition that irritates or destroys a joint. Although there are several types of arthritis, the one that most often affects the joint at the base of the thumb (the basal joint) is osteoarthritis (degenerative or “wear-and-tear” arthritis).

Symptoms of Basal Joint Osteoarthritis

Pain with activities that involve gripping or pinching, such as turning a key, opening a door, or snapping your fingers.

Swelling and tenderness at the base of the thumb.

An aching discomfort after prolonged use.

Loss of strength in gripping or pinching activities.

An enlarged, “out-of-joint” appearance.

Development of a bony prominence or bump over the joint.

Limited motion.