cortical motor area ·Function: modulate the muscular ventrolateral nuclei of thalamus tension. red nucleus (magnocellular part) spinocerebellum intermedial nucleus fastigial reticular nucleus formation vestibular 扩 nucleus spinocerebellar tract rubrospinal lract vestibulospinal tract reticulospinal tract corticospinal tract. motor neuron of spinal anterior horn spinal ganglion • Function: modulate the muscular tension