Cervical Plexus and Root of the Neck Flashcards
The cervical plexus lie in the ___
in front of the levator scapulae and scalenus medius
What are the major branches of the cervical plexus?
- Lesser occipital
- Great auricular
- Transverse cervical
- Supraclavicular
The C2 and C3 branches of the cervical plexus are proprioceptive to this muscle
SCM
the C2 and C4 branch of the cervical plexus is proprioceptive to this muscle
Trapezius
The ansa cervicalis innervates what muscle?
- Sternohyoid
- Omohyoid
- Sternothyroid
The phrenic nerve lies ___ (anterior/posterior) to the scalenus anterior
anterior
The phrenic nerve lies ___ (anterior/posterior) to the thoracic duct
posterior
What is the only motor nerve supply to the diaphragm
Phrenic nerve
What are the structures anterior to the phrenic nerve?
[Anterior to Posterior]
- Sternohyoid
- Sternothyroid
- Subclavian vein
- Thoracic duct
- Phrenic nerve
What are the structures posterior to the phrenic nerve?
[Anterior to Posterior]
- Phrenic Nerve
- Scalenus anterior
- Subclavian artery
What is the relationship of the phrenic nerve to the root of the lung
The phrenic nerve is anterior to the root of the lung
Pain from an inflammed gall bladder to the ___ nerve distribution
C4, to the right shoulder tip via the supraclavicular nerve
What is the key muscle for the root of the neck?
scalenus anterior
The root of the neck is part of what zone in trauma?
ZOne 1
Zone 1 is from the root of the neck to the ___
inferior border of the cricoid cartilage
