- myotonus
- A tonic spasm or temporary rigidity of a muscle or group of muscles. [myo- + G. tonos, tension, stretching]
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my·ot·o·nus mī-'ät-ə-nəs n sustained spasm of a muscle or muscle group* * *
n.1. a tonic muscular spasm.2. muscle tone.* * *
my·ot·o·nus (mi-otґə-nəs) tonic spasm (physiological tetanus) of a muscle or of a group of muscles.
Medical dictionary. 2011.