What is reticulospinal, rubrospinal, vestibulospinal, and tectospinal?
100
Motor fibers within the CNS, contralateral control, 1st order neuron that sends out an order
What is UMN?
100
BG leads to this type of damage
What is hypokinetic and hyperkinetic?
100
Each individual muscle fiber is innervated by _____ motor neuron
What is one?
200
Comma check, posture and balance + muscle tone, consciousness, BP, respiration, attention, receives input from motor and sensory cortices, BG, SN, and red nucleus
What is reticulospinal tract?
200
Motor fibers in the CNS and PNS, in the cranial and spinal nerves, ipsilateral control, 2nd order neuron that carries an order to the muscle.
What is LMN?
200
Cerebellum deficits results in
What is ataxia?
200
Single motor neurons can innervate ______ muscle fibers.
What is many?
300
Red nucleus midbrain-> spinal cord, voluntary movement control
What is Rubrospinal tract?
300
Indirectly involved in voice, resonance, and articulation. Impact speech through respiratory control.
What is spinal nerves?
300
Major cranial/spinal neurons, innervation of the extrafusal (skeletal) fibers of the muscle, voluntary reflexive movements of the head, trunk, and extremities. (Pyramidal system)
What is alpha motor neurons?
400
Body pressure and balance, inner ear (lateral vestibular nucleus) -> SC
What is vestibulospinal?
400
LMN lesion leads to this type of dysarthria
What is Flaccid?
400
Innervation of intrafusal fibers of the muscle, regulation of spindle fibers length, stretch, relax, and muscle tone. Extrapyramidal system.
What is Gamma motor neurons?
500
midbrain-> SC
eyes and head oriented to external stimuli
What is tectospinal?
500
UMN lesions of the extrapyramidal system lead to which type of dysarthria?
What is spastic dysarthria?
500
Synapse between lower motor neuron and muscle fiber