And it’s a joint unlike any other! Let’s chat AC JOINT Pain: early/mid-stage rehab👀 The bony tip on top of the shoulder where the clavicle meats the acromion is called the AC joint. Pain at the top of the shoulder can feel hard to address. AC joint injuries (separations, sprains) are among the most common in contact sports (football) but also heavily in cycling or triathlons from a fall onto the shoulder with the arm adducted. Pain here can also come on without a fall too. This can be painful a