"In addition, he suggests, the doctor of chiropractic can do a first-rib adjustment to create space so that the plexus isn't compressed. "You can also do some cross-cord exercises, making the contralateral scalenes contract and the muscles of the other side relax. Myofascial active release is also effective."

http://www.chiropracticuniverse.com/...php?ITEM=44471

Anyone have tried a "first-rib adjustment"?