2:4 Muscles of Inspiration: Neck

Question 1

Muscles of the Neck (2):

Answer 1

1. Sternocleidomastoid

2. Scalenes (anterior, middle, posterior)

Question 2

Sternocleidomastoid:

Answer 2

Provide stability and control for neck flexion and extension in addition to assisting in respiration.

Question 3

Sternocleidomastoid O, I, A?

Answer 3

Origin: Clavicle and sternum (where they meet)

Insertion: Mastoid process of the temporal bone

Action: elevates sternum and rib cage

Question 4

Scalenes:

Answer 4

Muscles of the neck which provide stability for the head and assist in facilitating rotation.

3 types of scalenes includes: anterior, medial, and posterior

Question 5

Scalenes O, I, A?

Answer 5

Origin: transverse processes of C2-C7 vertebrae

Insertion: ribs 1-2

Action: elevates ribs 1-2