The optimum management of TOS requires an understanding of the underlying cause(s) of the neurovascular compression or tension (1). Don’t you hate when doctors give you a treatment without determining the cause? Regardless if you have a work injury, auto accident, sports injury, repetitive motion, poor posture, or even cervical ribs, there is usually only one cause of your thoracic outlet syndrome, compression. Many common, difficult-to-treat conditions share one cause: compression. What if I told you that all these conditions share one thing in common? They are most commonly caused by too much compression or compressive tension on your human