Basic Guidelines For English Spellings
Inability to relax voluntary muscle after vigorous effort.‘Myotonic dystrophy, the most common form of muscular dystrophy in adults, affects the eyes, heart, hormonal systems, and blood, in addition to causing muscular dystrophy and involuntary muscle stiffness (myotonia).’
- ‘Hereditary defects in the channels are known to cause many diseases, including dominant and recessive myotonia, Bartter's syndrome, and Dent's disease.’
- ‘In several small studies, selenium supplementation seemed to have an effect on myotonia.’
Late 19th century from myo-‘muscle’ + Greek tonos ‘tone’.
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