Torsion swing chair.
D001927:Brain Diseases / Q000175:diagnosis; D002526:Cerebellar Diseases / Q000175:diagnosis; D004584:Electronystagmography; D005133:Eye Movements; D006801:Humans; D007759:Labyrinth Diseases / Q000175:diagnosis; D009760:Nystagmus, Physiologic; D012018:Reflex; D012399:Rotation; D014724:Vestibular Function Tests / Q000379:methods*; D014722:Vestibule, Labyrinth / Q000503:physiopathology