feeling of cut off circulation
In Thoracic Outlet Syndrome, the brachial plexus becomes pinched or restricted. Also passing through the same area at the side of the neck are several major blood vessels. Compression of these blood vessels can also contribute to troubling symptoms, making it feel like circulation has been cut off. â¢ Thoracic Outlet Syndrome Causes Numbness TOS symptoms include numbness of the entire arm and hand due to compression of the brachial plexus as it passes through the neck and shoulder regions of the body.