basalarthrose
Basalarthrose, also known as basal joint arthritis or carpometacarpal (CMC) osteoarthritis, is a degenerative condition affecting the joint at the base of the thumb. Specifically, it involves the articulation between the trapezium bone (one of the small bones in the wrist) and the first metacarpal bone (the bone in the hand that connects to the thumb). This joint is crucial for the thumb's wide range of motion and its ability to pinch and grip.
The wear and tear on the cartilage in this joint leads to inflammation, pain, stiffness, and reduced
The exact cause of basalarthrose is not fully understood, but several factors are believed to contribute to