The acromioclavicular joint, or AC joint, of the shoulder is one of two shoulder joints prone to osteoarthritis. This guide to our new video about AC joint arthritis explains how it develops and what symptoms it causes.
Acromioclavicular Joint Separation (Is this my affliction?Collar bone near shoulder tender after sleeping on side all night. Feels as though there is a slight pop or disconnect. Re occurs if I sleep in same position.