Lhermitte’s sign

October 30, 2017

A physical finding in cervical myelopathy. The patient is usually seated with the head and neck in neutral position. The head and cervical spine are then flexed forward toward the patient’s chest. A positive test is reproduction of sharp, electric, radiating pain or paresthesia along the spine and into one or both arms/hands; seen mainly in multiple sclerosis but also in other disorders of the cervical cord.