The carpometacarpal (CMC) joints are five joints in the wrist that articulate the distal row of carpal bones and the proximal bases of the five metacarpal bones.

2023年7月5日 · The carpometacarpal (CMC) joints are articulations between the carpal bones (carpo-) and metacarpal bones (-metacarpal) of the hand. There are five CMC joints in total, out of which the carpometacarpal joint of thumb (trapeziometacarpal …

2025年1月31日 · Carpometacarpal (CMC) joint arthroplasty is a surgery used to treat thumb arthritis when other treatments fail. The procedure involves removing the trapezium, a small wrist bone that supports the thumb joint, and replacing it with a graft or implant. This helps relieve pain and restore hand function for gripping, pinching, and grasping.

2025年1月13日 · Basilar Thumb Arthritis, also referred to as trapeziometacarpal (TMC) arthritis, is a common degenerative condition caused by attenuation of the volar beak and dorsoradial ligaments, leading to joint subluxation and cartilage degeneration of the trapeziometacarpal joint.

Osteoarthritis of the carpometacarpal joint (CMCJ) of the thumb is common and diagnosis is based on symptoms of localized pain and tenderness, instability on examination, and radiographic evaluation.

Thumb carpometacarpal osteoarthritis (CMC OA) is a common disease, affecting up to 11% and 33% of men and women in their 50s and 60s, respectively, which leads to pain, laxity and weakness of the CMC joint. Based on the staging of the CMC OA, different forms of treatment can be used, including both conservative and surgical measures.

2021年2月16日 · The carpometacarpal (CMC) joints are synovial joints formed by articulations of the distal carpal row and the metacarpal bones. The carpometacarpal joints are made up of a number of bony articulations 1.

24 Do all five carpometacarpal joints demonstrate equal motion? Absolutely not. The carpometacarpal (CMC) joints link the digital rays with the carpus. The normal hand has no clinically detectable mobility at the second and third CMC joints and only several degrees of motion at the fourth CMC joint, which are functionally negligible.

2023年5月23日 · Carpometacarpal osteoarthritis is also known as osteoarthritis of the thumb or CMC joint arthritis. Symptoms can include pain and swelling. Treatment typically includes icing,...

Hand therapy in addition to patient education and use of an orthosis has been shown to be very effective in management of the early stages of basal thumb arthritis. With more advanced disease, surgical modalities provide better symptomatic control.