myotonia

my·o·to·ni·a  (m-tn-)

n.

Tonic spasm or temporary rigidity of one or more muscles, often characteristic of various muscular disorders.

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myo·tonic (-tnk) adj.

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myotonia

a condition of tonic muscle spasm or rigidity of the muscles. — myotonic, adj.

See also: Body, Human

Thesaurus

Noun

1.

myotonia - abnormally long muscular contractions; slow relaxation of a muscle after a contraction tonicity, tonus, tone - the elastic tension of living muscles, arteries, etc. that facilitate response to stimuli; "the doctor tested my tonicity" acromyotonia - myotonia of the extremities only; causes spastic deformity of the hand or foot myotonia congenita, Thomsen's disease - a mild, rare, congenital form of myotonia characterized by muscle stiffness