Root: C2
Associated nerves:
Great auricular nerve
Transverse cervical nerve
Lesser occipital nerve
Ansa cervicalis
Segmental branches of cervical plexus
Motor innervation:
Omohyoid (inferior belly)
Sternohyoid (lower part)
Sternothyroid (lower part)
Sensory innervation:
Face, over the parotid gland
Inferior part of the auricle
Mastoid process
Anterior and lateral parts of the neck
Superior part of the auricle
Skin behind the auricles