The invention relates to a spinal navigation method. The method comprises the steps of providing a MRI X ray or CT based two dimensional image of the spine of a subject and generating an ultrasound two dimensional image using an ultrasound imaging device on the spine of said subject. Further the method comprises the steps of matching the ultrasound two dimensional image to the MRI X ray or CT based two dimensional image and relating a pre specified segment of a spinal profile in the MRI X ray or CT based two dimensional image to a corresponding segment in the ultrasound two dimensional image.
