The acromioclavicular (AC) joint is a joint between your clavicle ... The repetitive motion causes bone disintegration and damage. Symptoms include pain at the end of the clavicle near the shoulder.

Acromioclavicular joint (Figure 5a) and GHJ pathology were ... (Figure 6c), and this was associated with reproduction of symptoms in 72 subjects (86% of cases in which bunching was observed).

uchc.edu Acromioclavicular (AC) joint injuries are more common than sternoclavicular (SC) joint injuries. There is a spectrum of AC joint traumatic injuries that ranges from a ligament sprain to a ...