MIASTENIYa (az yun. mys, myos— mushak va astheneia — kamquvvati, bemadori), falaji astenii bulbari, bemorii Erb-Goldflam, bemorii asabu mushak. Alomati asosii on zud khastashavii mushakhoi kundalangrakh meboshad. Bemori odatan dar sinni 20—40-solagi cap meshavad. Ba Miasteniya beshtar zanho giriftor meshavand. Az Miasteniya asosan mushakhoi pilki chashm va mushakhoi jovish zarar mebinand.
Muolija: istemoli preparathoi antikholinesterazi, vitaminho (khususan guruhi V), tarbiyai badan, bazan girifta partoftani gadudi jogar.