AC Joint Arthritis

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

Acromioclavicular (AC) Joint Arthritis
Acromioclavicular (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.