Deep anterior neck muscles

Question 1

Longus capitis

Answer 1

Attachments: transverse processes of C3-C6 –> occipital bone
Actions:
- Unilateral: head + neck lateral flexion
- Bilateral: head + neck flexion
Functions: A-O/A-A/mid-cervical spine stability

Question 2

Longus colli / cervicis

Answer 2

Attachments: bodies of C2-T3 + anterior tubercle of C1 –> transverse processes of C3-C6
Actions:
- Unilateral: neck flexion, neck lateral flexion
- Bilateral: head + neck flexion
Functions: A-O/A-A/mid-cervical spine stability

Question 3

Rectus capitis anterior

Answer 3

Attachments: lateral mass of the atlas –> occipital bone
Actions:
- Unilateral: head lateral flexion
- Bilateral: head flexion
Functions: A-O joint stability

Question 4

Rectus capitis lateralis

Answer 4

Attachments: transverse process of atlas –> occipital bone
Actions:
- Unilateral: head lateral flexion
Functions: A-O joint stability