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Pronator Drift

Overview

  • Pronator drift is a simple screening tool for motor pathology, and can be used to identify potential cerebellar or proprioceptive dysfunction depending on the patient's response.
    • How to Elicit

    • Ask the patient to extend their arms out in front of them with palms facing up and close their eyes for thirty seconds
    • Interpretation

    • No movement - normal
    • Down and pronation - muscular weakness
    • Up and pronation - cerebellar disease
    • All directions - loss of proprioception
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