If you feel the top of your shoulder, you will feel a bump on the extreme peak of the shoulder. That is the AC joint. The AC joint is commonly injured in football, hockey and car accidents and can ...

This joint is called the AC joint or acromioclavicular joint ... it will be a type of “bump” on the top of the shoulder and this evidences the lack of ligamentous support to the joint which ...

With an AC joint separation, you may have a visible bump near your shoulder, swelling, and bruising. Collarbone pain with an ...