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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.
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.”
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.
Shoulder injuries and different types of arthritis may cause acromioclavicular (AC) joint pain. The AC joint in the shoulder connects the collarbone to part of the shoulder blade.
Function. What does the AC joint do? The AC joint’s main job is supporting your shoulder and acting as a connection point for ligaments around your shoulder. Your acromioclavicular joint is a passive joint. That means all its movements are controlled by other muscles and joints.
With an AC joint injury pain is often felt radiating to the neck and deltoid. The AC joint may also become swollen, the upper extremity often held in adduction with the acromion depressed, which may cause the clavicle to be elevated.
Acromioclavicular joint separation is a shoulder injury that happens when your collarbone separates from your shoulder blade. You may need a sling or surgery.
Pain relief — Ice can help reduce pain from AC joint injuries, as the joint is close to the skin. If needed, a non-prescription pain medication such as acetaminophen (Tylenol), ibuprofen (eg, Advil, Motrin), or naproxen (eg, Aleve) can be taken (see "Patient education: Nonsteroidal antiinflammatory drugs (NSAIDs) (Beyond the Basics)" ).
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.
Your acromioclavicular (AC) joint is the part of your shoulder where your collarbone and shoulder blade meet. It contributes your shoulder’s mobility, such as raising your arm overhead....