2023年12月14日 · CMC arthritis is a type of OA that affects the joint at the base of your thumb. Learn about causes, risk factors, diagnosis, and treatment options.

2022年6月16日 · Thumb arthritis is common with aging and occurs when cartilage wears away from the ends of the bones that form the joint at the base of your thumb — also known as the carpometacarpal (CMC) joint. Thumb arthritis can cause severe pain, swelling, and decreased strength and range of motion, making it difficult to do simple tasks, such as turning ...

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.

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,...

The base of the thumb where it meets the hand is called the carpometacarpal (CMC) joint. This joint lets the thumb move freely in many directions. It provides strength so the hand can grasp and grip. A smooth tissue called cartilage lines and cushions the bones of the CMC joint.

In the thumb, the most common site for arthritis to develop is in the basal joint at the base of the thumb — also known as the thumb carpometacarpal (CMC) joint. Although there are several types of arthritis, the one that most often affects the basal joint is osteoarthritis (degenerative, or wear-and-tear, arthritis).

2023年3月2日 · What is osteoarthritis (OA)? Osteoarthritis (OA) is the most common form of arthritis and affects mainly the joint’s cartilage and surrounding bone tissue. There are many factors that can increase the risk of the developing OA; for example it is more common in females over the age of forty, and is more likely to develop in a joint that has ...

Individuals with undiagnosed CMC OA may be pain free until they experience an injury or overuse that causes thumb pain, whereas individuals with advanced CMC OA are often pain free but seek treatment because of weakness and/or loss of function.

2019年4月21日 · In either RA or OA, eventual subluxation of the CMC joint often initiates a kinetic imbalance in the more distal joints of the thumb. This phenomenon is nicely exemplified in the pathomechanics associated with the Nalebuff’s type III deformity of the thumb.

Osteoarthritis in the carpometacarpal joint (CMC joint) at the base of the thumb is the most common cause of pain in this area. The CMC joint is formed where the metacarpal bone of the thumb meets the trapezium bone of the wrist.