Acromioclavicular Joint Injuries
Grades of Injury to the Acromioclavicular Joint The acromioclavicular (AC) joint is a small joint located at the top of the shoulder where the clavicle (collarbone) meets the acromion process of the scapula (shoulder blade). Injuries to this joint are common, particularly in contact sports or after falling on an outstretched arm. AC joint injuries are classified into six grades, based on the severity of the injury and the extent of damage to the joint and surrounding structures. Grade 1: Sprain of the AC jointIn a Grade 1 injury, the AC joint ligaments are stretched or partially torn, but the Read More