Unit 4 - Head and Neck: Deep Muscles of the Neck (Ex. III)

Question 1

vertical (intermediate) part of longus colli

Answer 1

O: A surfaces of vertebral bodies of C5-T3
I: A surfaces of C2-C4
Inn: direct branches from C plexus (C2-C6)
A: contralaterally laterally flexes and rotates C spine; bilaterally flexes C spine

Question 2

S oblique part of longus colli

Answer 2

O: A tubercles of transverse processes of C3-C5
I: A tubercle of atlas
Inn: direct branches from C plexus (C2-C6)
A: contralaterally laterally flexes and rotates C spine; bilaterally flexes C spine

Question 3

I oblique part of longus colli

Answer 3

O: A surfaces of vertebral bodies of T1-T3
I: A tubercles of transverse processes of C5-C6
Inn: direct branches from C plexus (C2-C6)
A: contralaterally laterally flexes and rotates C spine; bilaterally flexes C spine

Question 4

longus capitis

Answer 4

O: A tubercles of transverse processes of C3-C6
I: basilar part of O bone
Inn: direct branches from C plexus (C1-C3)
A: flexes head @ A-O joints