Lhermitte’s sign /ler″mits/ [Jacques J. Lhermitte, French neurologist, 1877–1959] , sudden, transient, electric-like shocks spreading down the body when the head is flexed forward, occurring chiefly in multiple sclerosis but also in compression disorders of the cervical spinal cord. The sign is usually elicited by the examiner when the patient is supine.
