The axial traction is done several minutes, several times a day. The oral prednisone is one a day, and the tapered down.
Electrical stimulation will only increase inflammation. Plan stupid. Who on earth suggested that? You are on the wrong train on the wrong track headed for an open drawbridge.
You require an MRI, which a chiropractor cannot provide. An x-ray is meaningless.
Generally a stronger anti-inflamatory is required (several minutes, several times a day), along with intermittitant axial traction, good hydration, and range of motion exercises.