Effects of Soft Tissue Mobilization on Parasympathetic Tone in Two Age Groups

J. Cottingham M.S., S. Porges, Ph.D., and T. Lyon, M.D., Frances Nelson Health Center, Illinois, 1987


Parasympathetic tone was assessed by:

  1. Quantifying the amplitude of the respiratory sinus arrhythmia from the heart rate pattern.
  2. Measuring heart rate.


The pelvic lift increased the tone of the parasympathetic nervous system. This is usually associated with decreased levels of stress.