hypertonia From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounAn abnormal increase in tightness of muscle tone, common in cerebral palsy. Related wordsSynonymshypertonushypotoniaamyotoniaparatoniatetanismcogwheelingmyodystoniaorthotonoshypercontractureentasiacatatonushypotonuspleurothotonuscontractureclonusamphotony References Wiktionary — hypertonia Wikipedia — hypertonia