Descending motor system

14 important questions on Descending motor system

Motor information in the spinal cord is located in ..

The front

The lateral part of the spinal cord signals to ... Muscles

Distal

Exteranl generation of movement comes from

The lateral part of the premotor
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What is feedforward adjustment

Plan the movement: compensation to prevent falling

What is feedback adjustment

Sense instability and activate muscles to prevent falling

The feedforward adjustment tract comes from and goes to

Comes from the reticular formation and goes to the medial part of the spinal cord

What are the cervical and lumbar enlargements in the spinal cord for? What do they contain?

The number of neurons that are there to send information to and from the extremities. They contain cell bodies

Could you suffer from paralyzed arms, but not legs with complete resection of the spinal cord

No

Why is there a separate tract for controlling the face musculature

the control of your muscles of the face doesn't go through the spinal cord

Think of an anatomical reason why medial premotor cortex leads to internal and the lateral promotor cortex leads to external generated movements

You have the more planning and reasoning at the from of your brain, so closer to the motor cortex. The other areas responding to the environment are more lateral

The lateral corticospinal tract controls

The hand (fine motor control

The ventral corticospinal tract projects to the spinal cord...

Bilaterlaly, meidal part

You're getting your coffee at Starbuck. What part of premotor cortex makes that your respond to the presented coffee

Lateral premotor cortex

You lift you arm to accept your coffee. Which system, that projects to which part of the spinal cord prevents you from falling

Reticular formation, medial spinal cord

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