myotonia

1. Abnormally long muscular contractions;
   Slow relaxation of a muscle after a contraction (synset 114568955)
   is a type of: tone, tonicity, tonus - the elastic tension of living muscles, arteries, etc. that facilitate response to stimuli
   subtypes:

   • 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

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