An acromioclavicular joint injury, otherwise known as a shoulder separation, is a traumatic injury to the acromioclavicular (AC) joint with disruption of the acromioclavicular ligaments and/or …

Learn the types, causes, symptoms, and treatment options for AC joint injuries. Request an appointment with a Mass General Brigham’s sports medicine specialist today.

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 …

Jun 25, 2024 · The AC joint is strong, but its location makes it vulnerable to injury from trauma. Injury to the ligaments (also called shoulder separation) can occur as a result of a fall, direct blow, or other …

Acromioclavicular Joint Sprains - Etiology, pathophysiology, symptoms, signs, diagnosis & prognosis from the Merck Manuals - Medical Professional Version.

When the capsule and ligaments are injured, the joint can become unstable and painful, and shoulder function can be affected. This type of injury is referred to as an “AC joint sprain” or a “separation.” …

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.

Apr 28, 2025 · An AC joint separation, or AC joint sprain, is an injury to the ligaments which hold the acromioclavicular joint together at the top of the shoulder. Here we explain the symptoms, causes, …

The AC joint connects your collarbone and shoulder blade. Learn more about the treatment options and recovery time for a separated shoulder.

Nov 5, 2024 · Acromioclavicular joint injuries, commonly shortened to ACJ injuries, are characterized by damage to the acromioclavicular joint and surrounding structures. Almost invariably traumatic in …