Physical examination maneuver

Physical Exam

Ankle Clonus

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Video coming September 2026

How to Perform

With the patient's leg relaxed and the knee flexed, briskly dorsiflex the foot and hold it in sustained dorsiflexion. Observe for rhythmic, repeating plantarflexion beats against the maintained dorsiflexion. Note the number of beats and whether they stop or continue while the stretch is held.

How to Interpret

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This test’s findings are all below your current evidence filter.

References

  • McGee S. Evidence-Based Physical Diagnosis. 6th ed. Philadelphia, PA: Elsevier; 2025.

Research last updated September 9, 2026.

Related Diagnoses

Upper Motor Neuron Lesion

Related Systems / Regions

Lower ExtremitiesNeurological

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