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Mulders Sign

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Other Names

Mulders Sign
Compression test of a Morton's neuroma from the plantar (A) and dorsal (B) aspects.[1]
Demonstration of Mulder's Click Test
(A) Mulder's click test to diagnose the enlarged interdigital neuroma. (B) Ultrasonography of the forefoot shows interdigital neuroma between the metatarsal heads.[2]
  • Mulder's Click
  • Mulder's click Test
  • Mulder's Sign
  • Mulder Test
  • Mulder’s Maneuver
  • Morton’s Neuroma Test
  • Interdigital Neuroma Test
  • Interdigital Neuroma Compression Test
  • Forefoot Compression Test (for neuroma)
  • Morton Neuroma Compression Sign

Purpose

  • Evaluate the cause of foot and toe pain
  • First described by Dutch orthopedic surgeon Jacob D Mulder in 1951[3]

Description

  • The patient is seated or supine with foot exposed
  • The foot is clasped around the metatarsal heads with the fingers of 1 hand
  • The thumb of the contralateral hand exerts firm pressure on the sole of the foot at the site of the metatarsal neck
  • Firm lateral compression of the metatarsal heads is then applied with the fingers
  • Positive test
    • Palpable click felt
  • Note: dependent on size of the neuroma
    • Usually positive in Morton’s neuroma measuring 1 cm or more[4]

Pathology


Evidence

  • Mahadevan et al[4]
    • Sensitivity: 62%
    • Specificity: 100%
    • PPV: 100%
    • NPV: 0%
    • Diagnostic Accuracy: 61%

See Also


References

  1. Jump, Christopher, et al. "Does Greek Foot Predispose to Morton’s Neuroma?." Open Journal of Orthopedics 4 (2014): 176-182.
  2. Jung, Hong-Geun, and Tae-hoon Kim. "Clinical approach of common foot and ankle disorders." The Journal of the Korean Rheumatism Association 17.4 (2010): 348-359.
  3. MULDER JD. The causative mechanism in morton's metatarsalgia. (1951) The Journal of bone and joint surgery. British volume. 33-B (1): 94-5. Pubmed
  4. 4.0 4.1 Mahadevan, Devendra, et al. "Diagnostic accuracy of clinical tests for Morton's neuroma compared with ultrasonography." The Journal of Foot and Ankle Surgery 54.4 (2015): 549-553.
Created by:
John Kiel on 2 February 2022 05:46:46
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Last edited:
1 March 2026 13:50:53
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