Motor Pathways

Question 1

Lateral Corticospinal Pathways

Answer 1

Initiates in cortex, crosses at the medulla, controls limbs and fine motor movement

Question 2

Anterior corticospinal pathway

Answer 2

Initiates in the cortex, crosses at the spinal cord (bilateral), controls posture

Question 3

Extrapyramidal pathway

Answer 3

Initiates in the midbrain, controls balance and involuntary movement