Anterior prevertebral muscles

Question 1

Deep structures muscles

Answer 1

Longus capitis muscle

Longus colli muscle

Rectus capitis anterior

Anterior scalene

Question 2

Origin: Anterior tubercles of transverse
Processes of c3-c6

Insertion: Basilar part of occipital bone

Action:
Bilateral contraction: head flexion
Unilateral contraction: head rotation

Answer 2

Longus capitis muscle

Question 3

Origin: Bodies of c5-T3 vertebrae; transverse processes of c3-c5 vertebrae.

Insertion: Anterior tubercle of c1; bodies of c1-c3 and transverse process of c3-c6

Action: Flexes neck w/ rotation to opposite side if acting unilaterally

Answer 3

Longus colli muscle

Question 4

Origin: Anterior surface of lateral mass of atlas c1

Insertion: Base of skull, just anterior to occipital condyle.

Action: Head flexion

Answer 4

Rectus capitis anterior

Question 5

Origin: Transverse process of c4-c6

Insertion: 1st rib

Action: lateral flexion and rotation of the neck elevate 1st rib

Answer 5

Anterior scalene