North Carolina General Statutes Chapter 90. Medicine and Allied Occupations § 90-157.2. Chiropractor as expert witness

(1) The etiology, diagnosis, prognosis, and disability, including anatomical, neurological, physiological, and pathological considerations within the scope of chiropractic, as defined in G.S. 90-151; and

(2) The physiological dynamics of contiguous spinal structures which can cause neurological disturbances, the chiropractic procedure preparatory to, and complementary to the correction thereof, by an adjustment of the articulations of the vertebral column and other articulations.