Childhood-Onset Nemaline Myopathy, also known as mild nemaline myopathy, is related to nemaline myopathy 5a and nemaline myopathy. An important gene associated with Childhood-Onset Nemaline Myopathy is ACTA1 (Actin Alpha 1, Skeletal Muscle), and among its related pathways/superpathways are Cardiac conduction and Smooth Muscle Contraction. Related phenotypes are myopathy and emg: myopathic abnormalities