Due to the specific nature of the adjustment, Drs. Derek and Andrea must analyze and measure your X-rays before any correction can take place. The X-ray analysis takes about 30 minutes to complete and Drs. Derek and Andrea can always have these finished by your next appointment. Your atlas and axis are the top two bones that surround the brainstem, which is a very delicate and vital area to work with; there cannot be any guessing about how to adjust you. No two people are the same, every individual is unique and requires different needs.