A 27-yrs-old woman seeks your advice regarding pain and numbness in the right arm and hand .. She reports that it is exacerbated by raising her arm over her head. A provisional diagnosis is made. Which statement is true of this conditions?
It is associated with cervical spine disk disease It is reliably diagnosed by positional obliteration of the radial pulse If conservative measures fail, it is best treated by surgical decompression of the brachial plexus It most commonly affects the median nerve