What is Thoracic Outlet Syndrome?

By Sarah Ruff, MPT and Clinic Manager at ApexNetwork PT in Collinsville, IL Thoracic outlet syndrome (TOS) is a potentially painful and disabling condition of the upper extremity that is often overlooked and misunderstood. TOS is a condition in which the thoracic outlet, the space between the clavicle and first rib, is compromised/compressed. Within the […]