1. Changing body position alters the location of the spinal cord within the vertebral canal: a magnetic resonance imaging study 
M.R.B. Ranger, G.J. Irwin, K.M. Bunbury, J.M. Peutrell 
British Journal of Anaesthesia 
Volume 101, Issue 6, Pages (December 2008)
DOI: /bja/aen295
Copyright © 2008 British Journal of Anaesthesia Terms and Conditions

2. Fig 1
Schematic representation of a transverse section through a lumbar vertebra at the level of the CM. The nerve roots are marked as small open circles; the tip of the spinal cord is indicated by the larger, single closed circle.
British Journal of Anaesthesia  , DOI: ( /bja/aen295)
Copyright © 2008 British Journal of Anaesthesia Terms and Conditions

3. Fig 2
The level of the tip of the CM is defined by dividing the vertebral body, including the intervertebral space into four segments: upper, middle and lower thirds, and the intervertebral space.18
British Journal of Anaesthesia  , DOI: ( /bja/aen295)
Copyright © 2008 British Journal of Anaesthesia Terms and Conditions

4. Fig 3
Movement of the CM anteriorly and laterally towards dependent side when changing from the supine to the lateral position with knees and hips flexed. Boxes show medians (Wilcoxon P<0.001) and 25th–75th percentiles, and whiskers show the range.
British Journal of Anaesthesia  , DOI: ( /bja/aen295)
Copyright © 2008 British Journal of Anaesthesia Terms and Conditions

5. Fig 4
Supine position; (a) sagittal and (b) axial views of the vertebral column at the level of the CM.
British Journal of Anaesthesia  , DOI: ( /bja/aen295)
Copyright © 2008 British Journal of Anaesthesia Terms and Conditions

6. Fig 5
Left lateral position with knees and hips flexed; (a) sagittal and (b) axial views of the vertebral column at the level of the CM.
British Journal of Anaesthesia  , DOI: ( /bja/aen295)
Copyright © 2008 British Journal of Anaesthesia Terms and Conditions