MIOPATIYA (az mio… va yun. pathos – bemori), istilohest, ki osebhoi paydoishashon gunoguni mushakhoi skelet va khalal yoftani gizogirii onho, kostani massai elementhoi faol (atrofiyai mushakho), sustiyu beholii mushakhoro ifoda mekunad. Ba M. bemorihoi irsii asabu mushakho va sindromhoi asabu mushakho, ki hangomi baze kasalihoi silsilai asabhoi markazi, uzvhoi dokhili, bemorihoi siroyati va zahroludi padid meoyand, mansubiyat dorand. M.-ero, ki binobar ikhtiloli mubodilai moddaho dar khudi boftai mushak ba vujud meoyad, distrofiyai mushakho menomand. M.-i dar natijai ikhtiloli asabgirii mushakho sarzada amiotrofiya nom dorad.