2024年11月6日 · The AC (acromioclavicular) joint is part of your shoulder. It’s the joint where your collarbone connects to your shoulder blade. It helps you move your arms front to back and tilt them up and down. AC joint injuries are the most common shoulder injuries. Visit a provider if you’re experiencing new or worsening symptoms like pain and stiffness.

It can be due to trauma, such as joint dislocation of the acromioclavicular joint or degenerative conditions, such as osteoarthritis. An acromioclavicular dislocation is a traumatic dislocation of the joint in which a displacement of the clavicle occurs relative to the shoulder.

There are many things that can happen to the AC joint, but the most common conditions are arthritis, fractures and separations. Arthritis is a condition characterized by loss of cartilage in the joint, which is essentially wear and tear of the smooth cartilage that allows the bones to …

2024年11月5日 · Acromioclavicular joint injuries, commonly shortened to ACJ injuries, are characterized by damage to the acromioclavicular joint and surrounding structures. Almost invariably traumatic in etiology, they range in severity from a mild sprain to complete disruption.

2014年1月22日 · Knowledge of anatomy with related pathologies, orthopedic trends, imaging findings, and complications, is important in assessing the acromioclavicular joint. The acromioclavicular joint is a common source of “shoulder pain” …

Radiographs are beneficial as the initial imaging study for chronic extremity joint pain where inflammatory arthritis, crystalline arthritis, or erosive osteoarthritis is suspected. Radiography has a low sensitivity compared with other

Osteoarthritis of the acromioclavicular (AC) joint is a common condition which causes anterior or superior shoulder pain, particularly evident with overhead and cross-body activities. It is common in middle-aged individuals due to degeneration to …

The Acromioclavicular Joint, or AC Joint, is one of four joints that comprises the Shoulder complex. The AC Joint is formed by the junction of the lateral clavicle and the acromion process of the scapula and is a gliding, or plane style synovial joint.

2023年2月5日 · Acromioclavicular joint osteoarthritis is a common degenerative condition of the shoulder. Acromioclavicular joint osteoarthritis accounts for ~20% (range 12.7-24%) of patients with shoulder pain. It most commonly presents in the fourth decade 3. Acromioclavicular joint osteoarthritis can be 1:

2022年7月6日 · Acromioclavicular (AC) osteoarthritis is the most common type of shoulder osteoarthritis and a well-known culprit of pain in the top of the shoulder. The AC joint is a small joint located between the collarbone (clavicle) and the tip of the shoulder blade (acromion).