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45 Cards in this Set

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