29. Saturday, November 17, 2018 29
Pontine
RF
(stimu)
MedRF
(inhibit)
Red nucleus
motor distal muscle
subsumed by corticospinal tract
Rubrospinal tract
Lateral tectospinal
Superior colliculus
terminate at cervical region
visuospinal reflexes
Medial tectospinal
Inferior colliculusterminate at cervical region
audiospinal reflexes
Lateral
reticulospinal
Termination: lower segment of
spinal cord.
Inhibitory tone of axial and
proximal limb muscles.
Medial
reticulospinal
Termination: lower
segment of spinal cord.
strong facilitatory effect
on antigravity and
extensor muscles →
maintain body posture
against gravity
vestibular nuclei
facilitation of muscle tone
of axial and proximal limb
muscles (equilibrium)
