Amyotrophy (muscular atrophy) affecting the proximal musculature. The phenotype is Human Phenotype Ontology term HP_0007126 (Proximal amyotrophy). Also known as: Muscle atrophy, proximal, Proximal muscle atrophy, Proximal muscle wasting, Symmetric proximal muscular atrophy, Symmetrical, proximal limb muscle atrophy, Wasting of muscles near the body.