Temperature measurements along the spine are a window into the autonomic nerve system.  They help determine when care is rendered and when the patient is doing as well as possible at that point along the health spectrum.

Temperature measurement taken under the ears help aid in detecting the nature of the autonomic nerve system.

The final check is the leg length inequality test 'Spinal Balance'.  If one leg appears shorter when laying on the back, this is a strong indication muscles on one side of the body are pulling more than the other.