Monarch Disease Ontology identifier MONDO_0010482 (X-linked parkinsonism-spasticity syndrome) is a rare genetic neurological disorder characterized by parkinsonian features (including resting or action tremor, cogwheel rigidity, hypomimia and bradykinesia) associated with variably penetrant spasticity, hyperactive deep tendon reflexes and Babinski sign. Also known as: Parkinsonism with spasticity, X-linked, X-linked recessive, XPDS.