Cutaneous branches of the cervical plexus Flashcards
1
Q
What is the cervical plexus?
A
motor and sensory ventral rami innervation C1-C4
2
Q
What are the motor branches of the cervical plexus?
A
Ansa Cervacalis (loop of neck) phrenic nerve
3
Q
What are the roots of the phrenic nerve?
A
C3, C4, C5
4
Q
What does the phrenic nerve innervate?
A
Diaphragm
important in breathing
5
Q
What is the course of the phrenic nerve?
A
anterior surface of anterior scalene muscles
before entering the mediastinum
6
Q
What are the sensory branches of the cervical plexus?
A
lesser occipital nerve (C2,3)
Greater auricular nerve (C2/3)
transverse cervical nerve (C2/3)
Supraclavicular nerves (C3/4)
7
Q
What is the roots of the supraclavicular nerves?
A
C3-C4
8
Q
What area does the supraclavicular nerve supply?
A
area adjacent to the clavicle
medial
intermediate
lateral branches
