Voluntary control of Movement Flashcards
1
Q
Where is red nucleus
A
Ventral midbrain
2
Q
What is the role of cerebellum in voluntary control of mvt
A
Coordinate muscle movement and select correct sequences
3
Q
What is corticobulbar tract? Where is it?
A
Motor for face. Inside cranial nerve nuclei in brainstem
4
Q
Which cst doesn’t decussate
A
Ventral ie axial muscles
5
Q
Where does red nucleus get input from
A
Reticular formation, cerebellum and cortex
6
Q
What does rubrospinal mostly actually do
A
Inhibits extensors, excites flexors
7
Q
Reticulospinal tract is like the reserve cst. What does it normally control
A
Pontine = medial ++ extensors posture, stepping ++ alpha and gamma neurones
Medulla = lateral ++ flexors
Atonia REM sleep - - alpha and gamma neurones
8
Q
What tract pathology is this
A
Vestibulospinal
