Spinal Nerves and Testing Flashcards
somatic motor supply is voluntary T or F
T, so only skeletal muscle
clinical somatic motor symptoms?
muscle stiffness, tightness, spasm
muscle weakness
ataxia
common location of a CVA that would affect sensory function?
internal capsule next to the thalamus
dorsal roots contain only __ information
sensory
spinal nerves contain both sensory and motor information T or F
T
if both sides of a dermatome are affected where would you suspect the lesion to be?
centrally
C1 has no sensory components T or F
T
how can you work out the dermatomes of the arm?
start with C5 and work round from superior arm round to armpit up to T2
where is the location of the C2 dermatome
back of scalp and adams apple
where is the location of the C3 dermatome
back of neck ad jugular notch
where is the location of the C4 dermatome
clavicle and shoulder tip
L1 dermatome?
groin (the whole area covered by your hands in your pockets)
S3,4,5 dermatomal area location?
around the anus (S5 being closest)
do anterior or posterior rami form plexuses?
anterior
what is a named nerve
a nerve containing axons from 1 or mre spinal cord levels eg plexus nerves
name the components of the cervical plexus
little goats tread softly
lesser occipital, great auricular, transverse cervical, supraclavicular
where do the nerves of the neck connect?
the nerve point at the midpoint of the posterior border of SCM
if someone has loss of sensation over the badge patch area, what 2 causes should you suspect?
is it dermatomal eg C5/6?
or is it an axillary nerve problem?
where does referred pain in MI go to (nerve levels)?
T1 and T2
dermatome level of pubic symphysis?
T12