What causes Thoracic Outlet Syndrome (TOS) and how does it differ from Carpal Tunnel Syndrome (CTS)? The “thoracic outlet” is an area located at the bottom of the neck, top of the shoulder, behind the collar bone. Nerves and blood vessels run behind the collar bone. If the nerves and/or blood vessels are pressed on… Continue reading What’s the Difference Between Thoracic Outlet and Carpal Tunnel Syndromes?