Congenital Myopathy 8, also known as myopathy, congenital, with structured cores and z-line abnormalities, is related to congenital myopathy and myopathy. An important gene associated with Congenital Myopathy 8 is ACTN2 (Actinin Alpha 2). The drugs Pioglitazone and Hypoglycemic Agents have been mentioned in the context of this disorder. Affiliated tissues include skeletal muscle and heart, and related phenotypes are type 1 muscle fiber predominance and increased variability in muscle fiber diameter