I had Anterior Cervical Disc surgery may 20, c7-c6,c5,c6 plates ,rods and cages 2 fusions.6 week xrays show that is healing nicely, however arm nerve pain is horable starting Pt.However yesterday when bending head down I get a strange sensation. in right leg and bottom of my right foot goes numb,till I straightened neck.Any idea what this is ?