Collarbone pain is usually caused by an injury, such as a fracture or joint separation. However, your collarbone, also known as the clavicle, may hurt for other reasons. It can be tender from sleeping ...

The collarbone, or clavicle, is a long, thin bone between the breastbone or sternum and the shoulder. A collarbone dislocation occurs when the collarbone moves out of its usual position, often due to ...