Disorders of gait related to the aging nervous system.
D000368:Aged; D001072:Apraxias; D005684:Gait; D006801:Humans; D009069:Movement Disorders / Q000209:etiology* / Q000628:therapy; D009135:Muscular Diseases / Q000209:etiology; D009422:Nervous System Diseases / Q000150:complications*; D011187:Posture; D011984:Sensory Receptor Cells / Q000502:physiology; D014717:Vertigo; D014722:Vestibule, Labyrinth / Q000503:physiopathology