Bump on left side between shoulder and clavicle, hurts when lifting laterally, the bump moves with the arm, when moving up and down?

Distal clavicle?: Have you ever injured left shoulder by falling on it? Trace your clavicle with your fingers out towards your shoulder. If the bump is out at the end of your clavicle, you have torn your acromial-clavicular ligaments. A very common hockey player injury from checking. They participate in sports and daily living without surgery. Occasionally, it requires surgery. I recommend clavicle shortening,