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Neuro 1: Sensory-Motor Integration
Terms in this set (12)
Do Golgi Tendon Organs increase or decrease Muscle Efferent Signals?
Decrease (muscle inhibition)
-> GTO is protecting you from lifting something so heavy you tear tendon from bone
Do Muscle Spindles increase or decrease Muscle Efferent Signals?
Increase (muscle stimulation)
Do primary or secondary muscle spindle fibers respond more to tap/sinusoidal stretch?
Do primary or secondary muscle spindle fibers provide information about sustained change to the muscle?
What is the Inhibitory Neurmuscular Junction NT?
There isn't one
NMJ are only Excitatory
Compare Resident and Non-Resident Muscles?
Resident: Muscle w/ receptor we're studying
Non-Resident: Muscles other than those w/ receptor
How do Ib Afferent Neurons from Extensors cause inhibition of the Antagonist Flexors?
Ib Afferent stimulates Ib Interneurons
-> Stimulatory to Extensor
-> Inhibitory to Flexor
Is the Muscle Spindle, or GTO, responsible for the Myotactic Reflex?
Is the Muscle Spindle, or GTO, responsible for the Inverse Myotactic Reflex?
What are the Four Reasons muscles cramp?
Increased Group Ia and II activity from Spindles
Decreased Group Ib activity from GTO
Altered NM Control
What should you do if someone has a cramp?
Stretch the muscle to force the GTO to inhibit the Muscle that is cramping
Where does Tetanus Toxin have it's effect?
-> These normally keep Alpha Motor Neurons in check (inhibit), but if inhibited, can lead to Muscle Hyperactivity
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