B6-092 Triangles of the Neck Flashcards
what vertebral level is the body of the hyoid located at?
C3-C4
what vertebral level is the bifurcation of the common carotid located at?
C3-C4
what vertebral level is the superior end of the esophagus/trachea located at?
C5-C6
what vertebral level is the arch of the cricoid located at?
C5-C6
what borders make up the anterior triangle of the neck?
midline of neck
sternocleidomastoid
lower border of mandible
what borders make up the posterior triangle of the neck?
sternocleidomastoid
trapezius
clavicle
what borders make up the submandibular sub-triangle?
anterior belly of digastric
posterior belly of digastric
inferior border of mandible
what borders make up the submental sub-triangle of the neck?
midline of neck
anterior belly of digastric
body of hyoid
what borders make up the muscular sub-triangle of the neck?
body of hyoid
superior belly of omohyoid
sternocleidomastoid
what borders make up the carotid sub-triangle of the neck?
posterior belly of digastric
superior belly of omohyoid
stenocleidomastoid
what level of the neck do the submental and submandibular lymph nodes lie in?
level 1
what level of the neck do the jugular lymph nodes lie in?
2-upper third
3- middle third
4-lower third
what level of the neck do the posterior triangle lymph nodes lie in?
level 5
what level of the neck do the central neck lymph nodes lie in?
level 6
what muscles run through the floor of the posterior triangle? [6]
splenius capitis
levator scapulae
posterior scalene
middle scalene
anterior scalene
omohyoid
the […] exits between the middle and anterior scalene muscles in the posterior triangle
roots of the brachial plexus
arteries in the posterior triangle are branches of the […]
subclavian
the right subclavian is a branch from the
brachiocephalic trunk
the left subclavian branches from the
arch of the aorta
first branch off the subclavian
internal thoracic (mammary)
branches of the thyrocervical trunk and what they supply [5]
inferior thyroid: thyroid
superior transverse cervical: trapezium
deep branch of transverse cervical (dorsal scapular): levator scapulae & rhomboids
suprascapular: supra/infraspinatus
vertebral artery: brain
the thyrocervical branches from the
subclavian
artery that travels through the transverse foramen starting at C6
vertebral artery
where many of the cutaneous branches of the cervical plexus exit posterior to the middle third of the sternocleidomastoid
Erbs point