Pharyngeal group Flashcards
1
Q
What is the innervation of the pharyngeal group?
A
Accessory nerve
2
Q
What are the muscles of the pharyngeal group?
A
Sternocleidomastoid and Trapezius
3
Q
Where is the origin of the sternocleidomastoid?
A
Manubrium of sternum and medial clavicle
4
Q
Where is the insertion of the sternocleidomastoid?
A
Mastoid process of skull
5
Q
What is the action of the sternocleidomastoid?
A
Bilateral: Flex head and neck
Unilateral: Laterally flex head and neck
6
Q
Where is the origin of the trapezius?
A
Occipital bone and spinous process cervical and thoracic vertebrae
7
Q
Where is the insertion of the trapezius?
A
Spine and acromion process and lateral clavicle
8
Q
What is the action of the trapezius?
A
Superior fiber: elevate scapula
Middle fiber: retract scapula
Inferior fiber: depress scapula
