Exercise science 1 exam Flashcards
(16 cards)
What is the basal ganglia used for?
Complex motions, starting movement, new activities
What is the cerebellum used for?
adjusts muscle use throughout the day, ipsilateral
frequency of slow motor neurons?
low
size of slow motor neurons?
8-12 microns
frequency of fast motor neurons?
high
size of fast motor neurons?
12-20 microns
slow neurons correspond to which twitch fibers?
slow twitch
LMN malfunction symptoms? Strength. Tone.
reduced
UMN symptoms? Strength. Tone.
reduced strength increased tone
Which MN is affected if Fasciculation is present?
Lower motor neurons
Is babinski present in direct or indirect upper motor neurons?
Direct
Atrophy is marked in which motor neuron?
Lower motor neurons
Clonus, Rigidity, and spasticity are all symptoms of which motor neuron?
Upper. Indirect
Hypertonia is a symptom of which?
Upper, direct
what do the neurons in cerebral cortex do?
Control movements of contralateral limbs
Medulla function?
fiber cross over
