Monarch Disease Ontology entry MONDO_0000355 (Ullrich congenital muscular dystrophy) (UCMD) is characterized by early-onset, generalized and slowly progressive muscle weakness, multiple proximal joint contractures, marked hypermobility of the distal joints and normal intelligence. Also known as: UCMD, Ullrich scleroatonic muscular dystrophy, scleroatonic Ullrich disease, scleroatonic muscular dystrophy.