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45 Cards in this Set
- Front
- Back
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Group 1 fibers correspond to what cutaneous fibers
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Aa
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group 2 fibres correspond to
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Ab
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group 3 correspond to
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Adelta
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Group 4 correspond to
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Cfibers
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which groups of fibers are the nociceptive ones?
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3 and 4
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Which group (1,2,3,4) is high threshold mechano?
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3
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Which group (1,2,3,4) is mechano/chemo/ergo/thermo?
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4
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which groups have alpha motor neurons?
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1
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which groups have spindle and tenodns?
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1
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which groups have gamma motor and spindle affs
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2
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which groups have gamma motor
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3 and 2
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explain sensitization of muscles for soreness
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muscle fiber normally responds to just nox pressure, but give B-kinin, get response to a lot of stuff
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explain sensitazion of muscles to ischemia
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3/4 are made ischemic, no response
then w/ contraction, 3/4 give MAJOR response (contraction +ischemia) |
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What is the acid sensing channel? what activates it? more prom in muscle or skin?
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asic
ph ~6.8 muscle |
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What ion channel/receptor senses ATP? where does ATP come from? Where are they?
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P2x3
released during cell injury only in PERIPH sensory noci |
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What channel/receptor senses Capsacin/heat/proton? where are they?
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TRPV1
1mary aff noci neurons |
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What does TRPV1 sense?
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protons mostly
heat/capsacin |
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what does p2x3 sense?
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ATP
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what does asic sense?
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acidic ~ph 6.8
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of the groups of muscle primary aff's, which are most common in SC
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3/4
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group 3 fibers project to lamina
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1,4,5
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group 4 fibers project to lamina
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1,2,3
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besides the lamina they project to, where do grp 3/4 fibers of the SC project to?
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thalamus/cortex
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what is the difference between the extracranial and the C-F projections of gprimary muscle aff's?
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trigeminal's synapse throught the trigeminal system
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is desc inhibition more involved in deep or cutaneous tissue?
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deep
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if muscle afferent is stimmed, get a prolong ____response
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alpha motor
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With persistent activation of nociceptors, which muscle (antag/agonist) is increased?
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antagonist to stabilize the joint
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for Fibromyalgia, who's greater M or F and what is the %
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female, 75-90%
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The fact that so many more women report FM suggest its involvement with
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estrogen/estrus cycle
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DOMS is due to
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unaccustomed muscle use
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unaccustomed muscle use causes
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DOMS
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what is the "unaccustomed" muscle use of DOMS most often
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eccentric contraction
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what is a way to release the pain of DOMS?
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repeat bout
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cramps have Periph or CNS origin?
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periph
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3 axis 1 classifcations of TMJ-d's
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class 1- muscle
2 - disc 3 - joint |
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myofascial pain vs. fibromyalgia
which has trigger points? |
myofascial
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myofascial vs fibromyalgia
which has tender points? |
FM
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what pain condition has trigger points?
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myofascial
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what pain condition has tender points
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fibromyalgia
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Which pain condition has "tight bands"
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myofascial
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how is myofascial pain relieved?
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injection or stretch & spray
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injection or stretch & spray are weays to relieve what pain condition?
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myofascial
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how many points of the typiocal FM are on the TMJ?
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none
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% of people w/ FM having TMD
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80%
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% of people with TMD having FM
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52%
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