noun Pathology.

increased rigidity, tension, and spasticity of the muscles.

Origin of hypertonia

First recorded in 1835–45; hyper- + -tonia
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for hypertonia




Extreme tension of the muscles or arteries.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.