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Hoffman Sign

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Other Names

  • Hoffman's sign

Purpose

Hoffman’s Sign
Demonstration of Hoffman's Sign
  • Assess for cervical myeopathy

Description

  • The patient is seated or standing
  • The examiner repeatedly flips either the volar or dorsal surfaces of the middle finger and observing the thumb and index finger
  • Positive test
    • Thumb and index finger reflex contraction
    • Suggests presence of upper motor neuron lesion

Pathology


Evidence

  • Cervical Cord Compression[1]
    • Sensitivity: 58%
    • Specificity: 78%
    • PPV: 62%
    • NPV: 75%

See Also


References

  1. Glaser, John A., et al. "Cervical spinal cord compression and the Hoffman sign." The Iowa orthopaedic journal 21 (2001): 49.
Created by:
John Kiel on 15 January 2020 19:57:37
Authors:
Last edited:
11 April 2023 14:56:50
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