Thoracic outlet syndrome involves a group of disorders that leads to compression at the thoracic outlet. The thoracic outlet is the space between the clavicle (collarbone) and first rib. Within this ...

Medically reviewed by Jennifer Steinhoff, MD Key Takeaways Collarbone pain can be due to an injury like a fracture or joint ...

Medically reviewed by Anita Sadaty, MD Key Takeaways Collarbone popping is often a sign of a problem with the bones or joints ...