Oct 9, 2025 · An AC joint injury or arthritis within the acromioclavicular joint in your shoulder can have a major effect on your life. Learn how to manage AC joint pain.

Acromioclavicular arthritis (AC joint arthritis) occurs when cartilage is lost at the front of the shoulder, with some people experiencing bone changes as well.

The most common conditions of the acromioclavicular joint are arthritis, fractures and separations. Acromioclavicular joint wear and tear is common among weight lifters.

What is Acromioclavicular Joint Arthritis? AC arthritis is a shoulder condition that affects the joint where the collarbone (clavicle) meets the shoulder blade (acromion). Your shoulder is a complex structure …

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.

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.

Nov 10, 2022 · AC arthritis is the most common cause of AC joint pain with repetitive microtrauma leading to the development of osteoarthritis in the AC joint. Diagnosis is made with dedicated …

Dec 9, 2025 · What is AC joint arthritis? Arthritis of the AC joint results from degeneration of the cartilage at the ends of the clavicle and acromion.

Jun 10, 2022 · In this article, we examine the role of your AC joint in healthy shoulder movement and how AC joint arthritis is treated.

Aug 3, 2025 · Acromioclavicular joint arthritis (AC joint arthritis) is a condition that affects the joint between the collarbone (clavicle) and the acromion (Figure 1), a part of the shoulder blade. This …