[image]

Idenitify 1-5

Name fascia covering left side of picture

1 external jugular vv
2 transverse cervical (C2,3)
3 great auricular (C2, 3)
4 supraclavicular (C3, 4)
5 Brachial plexus

Deep investing layer of cerfical fascia

[image]

Identify 1-6

Which layer is the "roof" of the posterior triangle?

the "carpet"? (ie which layer is directly above the scalene muscles)

name

3 nerves

1 artery

plexus

that lie directly beneath #5 but above the scalene muscles (ie between "carpet" and "floor" of posterior triangle)

1 investing layer of deep cervical fascia
2 infrahyoid fascia
3 coratid sheeth
4 visceral fascia
5 prevertebral layer of deep cervical fascia

investing layer of deep cervical fascia

prevertebral layer of deep cervical fascia

dorsal scapular nerve (C5)
long thoracic nerve (C5-7)
phrenic nerve (C3-5)
subclavian artery
brachial plexus

[image][image]

idenitfy 1-8

Which nerve innervates the structure 7?

what nerve would lie on the anterior surface of structure 5?

what nerve structure lies directly below the middle portion of structure 7?

what innverates structure 6?

name 2 arteries that lie directly superficial to structure 5

which structures constitute the boarder of the posterior triangle?

review: what nerve innervates the trapezius muscle?

1 platysma muscle
2 levatator scpulae
3 posterior scalene
4 middle scalene
5 anterior scalene
6 omohyoid muscle (inf/sup bellies)
7 sternocleiodmastoid
8 splenius

spinal accesory nerve (CN XI)

phrenic nerve

cervical plexus

ansa cervicalis

transverse cervical and suprascapular arteries

poserior border of SCM
anterior border of trapezius
clavicle

review: CN XI

[image]

identify 1-8

review: what does structure 5 innverate?

which two muscles lie on either side of the structure depicted in this diagram?

1a-e C5,C6, C6, C7, C8, T1
2a-c superior, middle, inferior trunks
3a-c lateral, posteior, medial cords
4 dorsal scapular nerve (C5)
5 phrenic nerve (C3-5)
6 never to subclavius nerve (C5,6)
7 Suprascapular nerve (C5-6)
8 Long thoracic nerve (C5-7)

review: diaphgram and pleura of lung

middle and posterior scalene muscles

[image]

Identify 1-5

1 suprascapular nerve
2 dorsal scapular nerve
3 phrenic nerve
4 transverse cervical artery
5 suprascapular artery

[image]

Identify 1-8

which artery will replace structure 2 if it is not present?

structure 5 enters the vertebral column at what level and through which structure?

which artery (traveling inferiorly) comes from structure 1 and is hideny by the external jugalar vein/sublcavian vein?

1 subclavian
2 dorsal scapular
3 suprascapular artery
4 thorocervicle trunk
5 vertebral artery
6 inferior thyroid artery
7 ascending cervical artery
8 transverse cervical artery

deep branch of the transverse cervicle artery

at CV6 through the transverse foramen

internal thoracic artery

[image]

Identify 1-2

what branches arise from structure 1?

1 costocervical trunk
2 internal thoracic artery

deep cervical and highest intercostal arteries