Thoracic outlet syndrome (TOS) is a cluster of disorders that occur when the nerves, arteries, or veins that run between your clavicle (collarbone), highest rib, and two of the scalene muscles are pinched or compressed. It is named for the pathway (the thoracic outlet) through which these blood vessels and nerves travel en route to your arms and hands. 

In many cases, the symptoms of thoracic outlet syndrome can be addressed with physical therapy. This article will discuss physical therapy assessment, goals, exercises, and outcomes for thoracic outlet syndrome.

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