Courtesy: Prof Nabile ebraheim, Chairman, Department of Orthopaedics and Traumatology, University of Toledo, Ohio, United States. Multi media presentation involving signs of cervical disc disease and myelopathy. Lhermitte sign is electric shock like sensation involving both upper limbs while flexing the neck, this sign is also positive in multiple sclerosis. Spurling sign is elicitedrotating the head towards the side of lesion, gradual extension followed by axial compression. Hoffman sign is the presence of active flexion of the thumb upon flexion of the index finger, this is a sign of cervical myelopathy.
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