Facioscapulohumeral Muscular Dystrophy 4, also known as facioscapulohumeral muscular dystrophy type 4, is related to facioscapulohumeral muscular dystrophy 4, digenic. An important gene associated with Facioscapulohumeral Muscular Dystrophy 4 is DNMT3B (DNA Methyltransferase 3 Beta).