Feb 16, 2023 · Acromioclavicular osteoarthritis is a common type of arthritis that affects the shoulder. It develops when the cartilage between the acromion and the collarbone wears down.

Dec 28, 2022 · Pain in the shoulder's acromioclavicular (AC) joint is a common problem that can be severe and persistent enough to interfere with your daily routine. There are several causes for AC joint pain, and treatment varies depending on what's making your shoulder hurt.

Nov 6, 2024 · 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.

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.

The acromioclavicular joint provides the ability to raise the arm above the head. This joint functions as a pivot point (although technically it is a gliding synovial joint), acting like a strut to help with movement of the scapula resulting in a greater degree of arm rotation.

Nov 3, 2023 · Anatomy and function of the acromioclavicular joint. The acromioclavicular (AC) joint is the articulation between the two bones of pectoral girdle; the clavicle and scapula. It is a plane synovial joint, with flat articular surfaces which are approximately the same in size.

The most common conditions of the acromioclavicular joint are arthritis, fractures and separations. Acromioclavicular joint wear and tear is common among weight lifters. Treatment for AC joint problems ranges from non-operative to surgical procedures depending on the type of injury.

Understanding the symptoms and causes of acromioclavicular osteoarthritis, getting an accurate diagnosis, and following an appropriate treatment program can encourage healthy joint function and may minimize or halt the progression of symptoms.

Mar 22, 2023 · The acromioclavicular joint consists of an articulation between the lateral end of the clavicle and the acromion of the scapula. It has two atypical features: Articular surfaces of the joint are lined with fibrocartilage – as opposed to hyaline cartilage.

Shoulder separation, also known as an acromioclavicular (AC) joint injury, can cause serious discomfort. If you think you have a separated shoulder, you should see a doctor. They can evaluate the severity of your separation and come up with a treatment plan.