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Plantar reflex
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===Pathways=== * Afferent: [[Nociception]] detected in the S1 [[Dermatome (anatomy)|dermatome]] and travels up the [[tibial nerve]] to the [[sciatic nerve]] to roots of L5,S1 and synapse in the [[Anterior horn of lateral ventricle|anterior horn]] to elicit the motor response. * Efferent: Motor response back through the L5,S1 roots to the sciatic nerve to its bifurcation. Toe flexors are innervated by the tibial nerve. Toe extensors ([[Extensor hallucis longus muscle|extensor hallucis longus]], [[Extensor digitorum longus muscle|extensor digitorum longus)]] are innervated by the [[deep peroneal nerve]]. Loss of normal adult descending pyramidal control of the reflex arc to suppress extensor withdrawal results in the upgoing toes in the plantar reflex known as Babinski's sign.<ref>{{cite journal|last1=Futagi|first1=Y|last2=Suzuki|first2=Y|title=Neural mechanism and clinical significance of the plantar grasp reflex in infants.|journal=Pediatric Neurology|date=August 2010|volume=43|issue=2|pages=81β6|doi=10.1016/j.pediatrneurol.2010.04.002|pmid=20610116}}</ref>
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