An adequate AP view should demonstrate the inferior border of C2 to the top of T1. In practice however, the upper portion of the spine is often missed

Click on the x-ray to enlarge.


To check alignment, three lines should be drawn

  1. Spinous process alignment – these should be in alignment with no lateral deviation
  2. Foramina line on right
  3. Foramina line on left

Click on the x-ray to enlarge.