2017年11月23日 · The most common symptoms of CMC joint osteoarthritis include thumb pain, weakness, swelling, popping and grinding, and reduced range of motion. CMC joint osteoarthritis is diagnosed by history, physical examination, and x-rays. Ligaments and muscles are the two key factors that affect joint stability in the thumb.

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 …

2019年4月11日 · The CMC joint is a saddle joint and is the second most mobile joint in the human body. Often simple tasks involving the thumb create pain. Osteoarthritis usually occurs when there is a loss of joint space between two bones at the base of the thumb.

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, ...

2023年5月23日 · What is carpometacarpal osteoarthritis? Everything to know. Carpometacarpal osteoarthritis is also known as osteoarthritis of the thumb or CMC joint arthritis. Symptoms can include pain and...

2025年1月31日 · CMC joint arthroplasty is a surgical procedure designed to treat carpometacarpal joint osteoarthritis when conservative treatments fail. The procedure involves replacing the trapezium bone in the thumb joint with a tendon graft or a silicone or metal implant.

2023年3月2日 · The thumb carpometacarpal (CMC) joint is where the metacarpal bone of the thumb attaches to the trapezium (carpal) bone of the wrist (see diagram right). It is sometimes called the ‘basal’ joint. What is osteoarthritis (OA)?

CMC Thumb Arthritis, also known as Basal Joint Arthritis occurs when the cushion-like cartilage wears out, causing the bones in the CMC Joint to grind together. Thumb Arthritis can cause severe pain, swelling, and decreased strength...

The CMC joint, with its complex demands of both stability and mobility, is prone to arthritis for a variety of reasons: evolutionary pressure for a less constrained joint, intricate kinematics and compressive loads with functional activity, and hormonal influences related to sex and age.