Fixed plantarflexion/inversion

This is a depiction of fixed plantarflexion/inversion of the ankle. This posture is a common focal presentation of functional dystonia. Fixed postures are rare in nonfunctional dystonia.

Modified from: Espay AJ, Aybek S, Carson A, et al. Current concepts in diagnosis and treatment of functional neurological disorders. JAMA Neurol 2018; 75:1132.

Graphic 139678 Version 1.0

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