Understanding Osteoarthritis of the Thumb82653
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ANH20234 01:55

Osteoarthritis of the thumb, also known as basal thumb arthritis, is a condition where the cartilage in the trapeziometacarpal (TM) joint breaks down and wears away. The basic anatomy of the TM joint, osteoarthritis of the joint, risk factors and common symptoms of osteoarthritis of the joint are described.