myotonia

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