The AC (acromioclavicular) joint is one of the most important parts of the shoulder when it comes to performing everyday tasks and movement. The acromion, which is part of the scapula, connects the clavicle to the AC joint. When arthritis sets in, degenerative pain can prevent an individual with AC joint arthritis from completing tasks that had previously been commonplace. Pain of varying levels and the inability to complete tasks are the main symptoms of this problem.
Initial Pain
The initial symptom a patient feels with AC joint arthritis is pain when reaching for an item on a shelf, desk or table. Reaching for an item is one of the most painful activities for someone with AC joint arthritis. The mere act of stretching out the arm is likely to result in pain in the front of the shoulder. At first, the pain feels moderate but often becomes more significant over time, similar to a burning sensation. Crossing one's arms is also painful and touching the area can result in searing pain.
Secondary Pain
AC joint arthritis pain spreads to the upper chest area as the condition worsens. Ironically, engaging in everyday activities or even sports does not create further damage. Pain tolerance is the determining factor in whether you can complete an activity or sport.
X-ray Revelation
X-rays of arthritic AC joints often reveal bony protrusions. The protrusions are the main source of the pain. Other symptoms include cysts and narrowing of the space in the joint. When the AC joint narrows, moving the arm across the body or up and down often produces a clicking noise.
