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AC Joint Arthritis

Brett Cascio, M.D.

AC Joint Arthritis

Can you guess the most common cause of AC joint arthritis, a painful shoulder condition?

AC Joint Arthritis

What is Acromioclavicular Joint Arthritis?

The acromioclavicular joint (AC joint) is located above the glenohumeral joint, commonly referred to as the shoulder joint. The acromion and clavicle bones meet in this joint. AC joint arthritis is a condition in which there is degeneration in this joint.

What causes AC Joint Arthritis?

The most common cause of AC joint arthritis is overuse. This condition often affects middle-aged people, especially those with occupations that involve repeated overhead motions, like painting or construction. This injury can also be the result of degeneration from injury to the shoulder.

Symptoms and Diagnosis

Symptoms range depending on the severity of the condition, but can include pain over the AC joint or on the front side of the shoulder. You may also experience issues with range of motion, as well as popping or clicking sensations when moving the arm.

How is AC Joint Arthritis treated?

This condition often responds to conservative treatment methods like cortisone injections, use of a brace or splint, activity modification, and medication. Surgery may be needed damaged portions have come loose or are floating joint. Removal of this debris may be needed.

All information provided on this website is for information purposes only. Please see a healthcare professional for medical advice. If you are seeking this information in an emergency situation, please call 911 and seek emergency help.

All materials copyright © 2024, All Rights Reserved.

Dr. Cascio, medical director of Sports Medicine at Lake Charles Memorial Hospital, specializes in Orthopedics and Sports Medicine.



Brett Cascio M.D.


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