Motor control 2 Flashcards
what is the funciton of high, middle and low motor contorl
high - strategy
middle tatics
low - execution
where does high motor contorl originate from
neocortex, basal ganglion
where does lower motor contol originate from
motor cortex, cerebellum
where does low motor cortex originate from
brainstem and spinal cord
what is the ventromedial pathaways and the lateral pathways associated with
venteromedial - posture and locomotion
lateral pathways - voulatio muovemtn of distal musles
where does most of the corticospinal tract originate from
2/3 from areas 4 and 6 of the fronalt motor cortex
rest 1/3 somatosensory
where does the cst cross over
medulla/ spinal cord junction
where does the rubrospinal tract cross
betwee midbrain and meduslla
effect of lesion on cst and rst
loss off fine movemtns of hands and arms
can’t move the shoulders, elvows or wrist independiy
what happens if the cst if damgaged but the rst is undamaged
loss off fine movemtns of hands and arms
can’t move the shoulders, elvows or wrist independiy
but this will fix after a few months as the rest will restore function
roel of rst
movement of joints, minaly flexors
waht can the actio of cst neurons do a the pymidial dessicants
they can exitore or antagonsie other neuons
role of the tectospinal tract
ensure the eyemovement remain stable with the rest of the body
what is the fucntion of the vestiublopinal tract
stabilises head and neck
what are the vesibulospinal and tectospinal tracts a part of
ventromedial pathway
where does the ventromediol pathway start
brain stem
function of the ventromeidal pathway
controll balance and posture and cause antigravity muels to act
what are the brainhes of the ventroedmal pathway
potein and medullary retriculspinal tracts
vestibulospinal tract
tectospinal attracts
how does the motro cortex allow voluntarary movemnt when the ventorcmetal pathway is activw
can block or alter it to allow movemnt
somatotopci
means that a spefica area of the brain is attached to a certain movement
waht are lower motor neurons conencted to
upper motor neurons through the white matter of the spinal cord
fucntion of lower motor neruiosin in latearl horn
control distoal mucles of lims
what do the upper motor nurions in the brain stem connect to
lower motor nurons in the medial ventral horn
n
fucntio fo the lower motro nruon in media ventoral horn
control axial and proximal limb musles in posture and balaance
