Brachial/Cephalic Plexus Flashcards
what spinal cord levels make up the brachial plexus?
C5-T1
brachial plexus supplies the ____ and ____ innervation to the ___ ____
motor and sensory innervation to upper limb
order of brachial plexus (cords, branches, etc.)
roots
trunks
divisions
cords
branches
“Rugby Teams Drink Cold Beverages”
roots of brachial plexus are the ___ ___ of C5-T1
ventral rami
roots = ventral ___
rami
C5-C8 roots course ___ associated vertebrae
above
8 C spinal nerves and only 7 C vertebrae
each brachial plexus root has an associated ____ and ____
dermatome and myotome
how many brachial plexus trunks are there? names?
3
upper (C5-6), middle (C7), lower (C8-T1)
what trunk does the suprascapular nerve branch from?
upper trunk
where do the roots/trunks of the brachial plexus exit?
between the anterior and middle scalene muscles
how many divisions of the brachial plexus are there?
6
anterior divisions of brachial plexus =
posterior divisions of brachial plexus =
anterior divisions of BP = flexors
posterior divisions of BP= extensors
how many cords are there in the brachial plexus?
three
lateral
medial
posterior
study
what spinal cord levels make the cervical plexus?
C1-C4
study