Review Anatomy Cervical Plexus

Front 1

Cer­vi­cal Plexus
plexus is located under­neath the =

Back 1

ster­n­oclei­do­mas­toid mus­cle
(from C1 – C4)

Front 2

Most of the branches inner­vate the =
2ct

Back 2

skin of neck
deep neck mus­cles.

Front 3

(C3, C4, C5) is what N =

Back 3

Phrenic

Front 4

what nerves constitute the cervical plexus? what do they provide

Back 4

anterior rami of C1-C4

motor and sensoy innervation to much of anterolateral
branches from C2-C4
(C1 motor only)

Front 5

anterior rami of C1-C4 constitute the =

Back 5

cervical plexus

Front 6

what nerves constitute the cervical plexus?
4 N Nm them=

Back 6

great auricular
lesser occipital
transverse cervical
supraclavicular

Front 7

what motor innervation does the cervical plexus provide? what structure do the motor branches form?

Back 7

supplies most but not all of strap muscles and prevertebral muscles

C1-C3 form loop called
ansa cervicalis,

divided into

superior root
inferior root

Front 8

what does C1 travel with before it splits off into ansa cervicalis?

Back 8

hypoglossal

Front 9

is the phrenic nerve part of the cervical plexus? what does it provide?

Back 9

techinically not although it provides C3 and C4 from the plexus

motor innervation to diaphragm