What does a positive Hoffman Sign look like?
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YouTubeRory Murphy MD, Neurosurgeon
What does a positive Hoffman Sign look like?
The Hoffman sign involuntary flexion movement of the thumb and or index finger when flicking the fingernail of the middle finger down. The reflexive pathway causes the thumb to flex and adduct quickly. A positive Hoffman sign indicates an upper motor neuron lesion and corticospinal pathway dysfunction likely due to cervical cord compression ...
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