Adjective
of or relating to or caused by myotonia
Source: WordNetIt soon became evident that the disease had more than one form. citation The other major forms are Becker, limb-girdle, congenital, facioscapulohumeral, myotonic, oculopharyngeal, distal, and EDMD. Source: Internet
This mechanism is exacerbated by alcohol consumption, as well as other chemicals that result in reduced myotonic status of the oropharynx. Source: Internet