For the efferent pathway start with the primary motor cortex inthe precentral gyrus. For the efferent pathways be sure to describethe pyramidal and extrapyramidal efferent pathways. Which isinvolved in fine motor control? What plexus and arm nerve areinvolved in this motor control of the flexor digitorum profundusmuscle? What role does the cerebellum play in the flexion or theindex finger?
