Upper Motor Neurons (UMN) Flashcards Preview

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Flashcards in Upper Motor Neurons (UMN) Deck (2)
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1
Q

What are upper motor neurons

A

Pyramidal cell in the lamina V of cerebral cortex (motor cortex) with projecting long axon to LMN of ventral horn cell of spinal cord

2
Q

What is the function of UMN

A
  • responsible for initiation of voluntary movement, maintain muscle tone, support body and regulate posture