Monarch Disease Ontology entry MONDO_0007492 (early-onset generalized limb-onset dystonia) is a rare movement disorder characterized by involuntary, repetitive, sustained muscle contractions or postures involving one or more sites of the body. Also known as: DYT-TOR1A, DYT1, EOTD, Oppenheim dystonia, Oppenheim's dystonia, dystonia musculorum deformans, dystonia-1, torsion, early onset primary dystonia.