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Upper Motor Neuron (UMN) Rule
The corticobulbar tract BILATERALLY innervates LMN's
Exceptions:
VII: Facial: UNILATERALLY innervates lower face on CONTRALATERAL side
XI: Spinal Accessory: IPSILATERALLY innervates mm
XII: Glossopharyngeal: CONTRALATERAL innervation
Lower Motor Neuron (LMN) Rule
The LMN cell body in motor nucleus innervates IPSILATERALY
Exceptions:
CN IV: Trochlear: innervates CONTRALATERAL
Visceral Motor Rule
Preganglionic Cell body in parasympathetic nucleus in brainstem

Postganglionic cell body is in ganglion in PNS