Upper Motor Neurons (UMN)

Question 1

What are upper motor neurons

Answer 1

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

Question 2

What is the function of UMN

Answer 2

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