Shoulder injuries and different types of arthritis may cause acromioclavicular (AC) joint pain. The AC joint in the shoulder connects the collarbone to part of the shoulder blade. One of the AC joint’s most important functions is supporting fluid arm ...

Youre at the gym doing your thing when you suddenly feel a sharp pain in your shoulder after an overhead press. Youre not sure what just happened, but you know it didnt feel good. The AC joint is located at the top of the shoulder, formed by the acromion ...

This week we are going to discuss acromioclavicular joint injuries of the shoulder and the specifics of each individual type in order that the reader understand first and foremost that an AC joint separation is not the same as a shoulder dislocation.

Indianapolis Colts rookie quarterback Anthony Richardson left Sunday's game against the Tennessee Titans with an injury to his throwing shoulder. Colts coach Shane Steichen confirmed the injury is an AC joint sprain Monday and ruled out Richardson for Indy ...

Anthony Richardson of the Indianapolis Colts is believed to have an AC joint injury in his right shoulder, which took the punishment as Tennessee's Harold Landry III tackled him on a running play Sunday. The injury is commonly called a separated shoulder.