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22 Cards in this Set
- Front
- Back
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Stretch reflex
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antagonist Vs Agonist
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Flexor Reflex
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Withdraw (fire, hippo)
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Crossed extensor reflex
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balance
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Tendon reflex
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muscle to bone. (whole muscle), moderate muscle activity
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Path of reflex
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somatice receptors, afferent nerve, intergrading center, efferent nerve fibers, skeletal muscles
SAIES S.A.M.E |
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Define intergrating center
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point in which there is synaptic contact between neuron and gray matter of spine or brain
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In flexor reflex what contracts and what relaxes? What is the medical term?
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Contract flexors, relax extensors (reciprocal inhibitation)
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flexor reflex is polysynaptic or monosynaptic?
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Polysynaptic reflex arc due to complex movements
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Reflex on same side of spinal cord?
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Ipsilateral
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Danger reflex
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Flexor reflex
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Where do reflex signals travel?
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REFLEX ARC
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Stereotyped
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Reflex is the same way every time it is stimulated
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What is the term for preventing muscles form working against each other?
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reciprocal ihibitation
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Stretch is mediated by?
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Brain
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Strech is poly or mono synaptic?
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Monosynaptic
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describe stretch reflex synapsis
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mono - once between afferent and efferent. VERY FAST
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WHAT pathway does crossed extensor reflex use?
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Contralateral reflex arc
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What is crossed extensor reflex mediated by??
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cerebellum and/or cortex
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What is involved in tendon reflex
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collagen fibers and tangled nerves
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How does tendon reflex happen
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muscle contracts, collagen fibers constrict and put pressure on nerve, nerve provides CNS information on tension at joint
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name all reflexive arcs
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intersegmental, ipsilateral, contralateral
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What is intersegmental reflexive arc??
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input and output all over spinal cord
EX pain in foor causes abs and hips to contract |
