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Updated: Feb 3, 2026

Evaluating the Function of the Foot Core System in the Elderly
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Dystonic Pseudo Foot Drop.

Camila C Aquino1, Elizabeth Slow1, Anthony E Lang1

  • 1Morton and Gloria Shulman Movement Disorders Center and the Edmond J. Safra Program in Parkinson's Disease Toronto Western Hospital Toronto Ontario Canada.

Movement Disorders Clinical Practice
|October 27, 2018
PubMed
Summary

Foot dystonia in Parkinson's disease (PD) can mimic foot drop, a rare presentation leading to misdiagnosis. Recognizing this "dystonic pseudo foot drop" is crucial for early PD diagnosis and potential levodopa treatment.

Keywords:
Parkinson's diseasedystoniafoot dropfoot dystoniasteppage gait

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Area of Science:

  • Neurology
  • Movement Disorders

Background:

  • Foot dystonia is a common symptom in Parkinson's disease (PD) and other dystonia conditions.
  • The typical presentation involves foot inversion and toe flexion, but a less common form mimics foot drop.

Observation:

  • This study reports five cases of dystonic pseudo foot drop.
  • Patients presented with steppage gait but had normal muscle strength.
  • No other cause for the apparent foot drop was identified.

Findings:

  • Dystonic pseudo foot drop is an underrecognized manifestation of foot dystonia.
  • This presentation can be an early indicator of Parkinson's disease.
  • Some patients may respond to levodopa therapy.

Implications:

  • Accurate diagnosis of dystonic pseudo foot drop can prevent misdiagnosis and unnecessary treatments.
  • Identifying this symptom aids in the early detection of Parkinson's disease.
  • This finding may guide therapeutic strategies for affected individuals.