What is CMC Joint Arthritis?
The thumb helps perform many simple, everyday grabbing and gripping tasks. Without proper thumb function, tasks like writing, eating, and texting become difficult. A common thumb condition is carpometacarpal (CMC) joint arthritis or thumb arthritis. The carpal (wrist) and metacarpal (hand) bones form the CMC joint. Like all joints, the CMC joint is susceptible to arthritis, a condition that causes wear and tear of joint cartilage and bone.
OPA Hand & Wrist Team
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