Relationship To Hoffmann Reflex
The Hoffmann's reflex is sometimes described as the upper limb equivalent of the Babinski sign because both indicate upper motor neuron dysfunction. Mechanistically, they differ significantly; the finger flexor reflex is a simple monosynaptic spinal reflex involving the flexor digitorum profundus that is normally fully inhibited by upper motor neurons. The pathway producing the plantar response is more complicated, and is not monosynaptic. This difference has led some neurologists to reject strongly any analogies between the finger flexor reflex and the plantar response.
Read more about this topic: Plantar Reflex
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