Spine Cervical Spine Evidence: confirmed

Lhermitte Sign Special Test

Orthopedic Physical Examination & Clinical Assessment Guide

Lhermitte Sign Orthopedic Special Test

What is it used for?

  • Screening for Cervical Myelopathy (spinal cord compression), Multiple Sclerosis, or severe Stenosis.

How to Perform

  • Position: Patient sits on the table with legs extended (long sitting).
  • Action: Examiner passively flexes the patient's neck forward (chin to chest).

Interpretation of Results

  • Positive Test: A sudden "electric shock" sensation shooting down the spine and into the arms or legs.

Diagnostic Accuracy

  • Sensitivity: 3-17%
  • Specificity: 97%

References

  • Clinical Tests for the Musculoskeletal System 3rd Ed. Book