The Cervical Gravity Line
 
   

The Lumbar Gravity Line

This section was compiled by Frank M. Painter, D.C.
Send all comments or additions to:
   Frankp@chiro.org
 
   

The Lumbar Gravity Line is created by first locating center of the L3 body & then droping a line downward from there, perpendicular to the bottom of the film. This line should pass thru the anterior 1/3 of the sacral base. If the line falls forward of sacrum there is anterior weight bearing. If the line falls behind there then the lumbar spine has posterior weight bearing.


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