Posterior Triangle Flashcards
What kind of fascia is immediately deep to skin/what tissue does it have
superficial/subcutaneous tissue
what is superficial fascia comprised of
loose CT & fat
what fascia is deep to superficial fascia
deep
3 facts aboutt deep fascia
dense, organized
devoid of fat
envelops most body structures deep to skin
where is platysma m. located
on the neck, it is so thin you can see muscles under it
which vein is very vertical and on the superficial surface of SCM
external jugular v.
how many cutaneous nerves are there
4
all cutaneous nerves emerge where
deep to SCM at “Erb’s point”
where does lesser occipital nerve run
superiorly along posterior border of SCM
where does great auricular nerve run?
ascends vertically on surface of SCM; runs toward ear
where does transverse cervical nerve run
transversely across middle of SCM
how many brains does supraclavicular nerve have and what are they
3; medial, intermediate, lateral
where does supraclavicular n. run
superficial to clavicle & deep to platysma
what are the motor nerves of the posterior triangle
CN XI & Phrenic n.
what does CN XI supply
SCM & Trapezius m.
