Neck Flashcards
What are the two muscle groups in the neck? (2)
1) superficial neck muscles
2) deep neck muscles
What are the superficial neck muscles? (3)
1) Sternocleidomastoid
2) Suprahyoid
3) Infrahyoid
What are the deep neck muscles? (2)
1) Scalene muscles
2) Prevertebral muscles
O: Sternocleidomastoid
sternum and clavicle
I: Sternocleidomastoid
mastoid process of temporal bone
F: Sternocleidomastoid
side flexion and contralateral rotation of neck
N: Sternocleidomastoid
CN XII
O: Suprahyoid
temporal bone or mandible
I: Suprahyoid
hyoid bone
F: Suprahyoid
open jaw
N: Suprahyoid
CN V and CN VII
O: Infrahyoid
sternum
I: Infrahyoid
hyoid bone
F: Infrahyoid
pull down/stabilize hyoid bone; help suprahyoid muscles in opening jaw
N: Infrahyoid
Ansa cervicalis of cervical plexus
How many scalene muscles do we have?
6 (3 on each side)
O: Scalene muscles
Transverse process of cervical vertebrae
I: Scalene muscles
Rib 1 and 2
F: Scalene muscles
elevation of first two ribs, accessory breathing muscles
N: Scalene muscles
anterior rami of some cervical spinal nerves
O: Prevertebral muscles
vertebral bodies of cervical and upper thoracic vertebrae
I: Prevertebral muscles
transverse process of upper cervical vertebrae
F: Prevertebral muscles
flexion of neck
N: Prevertebral muscles
ventral rami of some cervical spinal nerves
