Upper moror neurones

Question 1

What do upper motor neurones do?

Answer 1

• Carry impulses from the brain to the synapses with the LMN

- Responsible for telling the LMN to stop contracting, if damaged the muscle will continue to contract = resistance

Question 2

What would be seen with an upper motor neurone lesion?

Answer 2

• Weakness
• No / mild atrophy
• Increased reflexes
• Increased / resisted tone
• Present babinski reflex