Muscular Dystrophy, Scapulohumeral, also known as scapulohumeral muscular dystrophy, is related to facioscapulohumeral muscular dystrophy 1 and muscular dystrophy. An important gene associated with Muscular Dystrophy, Scapulohumeral is SMCHD1 (Structural Maintenance Of Chromosomes Flexible Hinge Domain Containing 1). Affiliated tissues include heart.