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There are two joints within the shoulder and either may be affected by arthritis due to cartilage damage. The acromioclavicular (AC) joint is where the tip of the shoulder blade connects to the clavicle. The glenohumeral (G-H), is the larger, ball-and-socket joint where the humerus joins the scapula.
Arthritis
in either of the joints most commonly develops gradually due to wear and tear over time. This is a condition known as
degenerative arthritis, or osteoarthritis. However, the shoulder joint may also be affected by rheumatoid arthritis, or an injury such as a dislocated shoulder, fracture, or
rotator cuff tear.
Pain in and around the shoulder joint is the most common complaint associated with shoulder arthritis. This pain tends to worsen as the disease progresses. For many, the discomfort is most notable with carrying or lifting heavy objects or following a workout. Depending on the specific joint affected, the location of the pain may differ. Arthritis in the AC joint, for instance, will likely hurt more at the top of the shoulder, while G-H arthritis will cause more pain at the back of the shoulder.
In addition to pain, patients may also experience stiffness, decreased range of motion and popping, clicking, or grinding sensations within the shoulder.
Shoulder arthritis is not the same for every patient. However, there are some common factors which are known to increase
risk of shoulder arthritis. Here are some of the most common contributors:
In severe cases of shoulder arthritis, more conservative treatments may not be able to bring sufficient relief. In these cases, pain and loss of function can impact a patient’s quality of life to the point that surgical intervention becomes the best course of action. Typically, one of two procedures is used:
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