Spinal Muscular Atrophy, Facioscapulohumeral Type, is also known as fshsma. An important gene associated with Spinal Muscular Atrophy, Facioscapulohumeral Type is PLEKHG5 (Pleckstrin Homology And RhoGEF Domain Containing G5). Affiliated tissues include skeletal muscle, and related phenotypes are skeletal muscle atrophy and spinal muscular atrophy