Carpo metacarpal arthroplasty or CMC arthroplasty is a type of surgery in which a bone at the base of your thumb is replaced with an implant. The joint where your thumb meets your hand is called your ...

Ligament reconstruction and tendon interposition (LRTI) is a type of surgery for treating arthritis of the thumb, a common type of arthritis in the hand. LRTI surgery may be suitable for people with ...

The thumb CMC joint, formed by the articulation between the first metacarpal and the trapezium, is a highly mobile saddle joint essential for thumb opposition and fine motor tasks. Osteoarthritis of ...