Dissection of head and neck from a posterior approach

Semispinalis capitis and cervicis muscles

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Image #79-3

Dissection of head and neck from a posterior approach

Semispinalis capitis and cervicis muscles

The splenius muscles have been cut away and the fascia completely removed from the semispinalis muscles.

1. Occipital bone
2. Remnant of insertion of splenius capitis muscle
3. Occipital artery
4. Third occipital nerve
5. Mastoid process (partially removed laterally)
6. Nuchal ligament
7. Semispinalis capitis muscle
8. Longus capitis muscle
9. Middle scalene muscle
10. Tendon of origin of levator scapulae muscle (cut across)
11. Longissimus cervicis muscle
12. Posterior scalene muscle
13. Rib I
14. External intercostal muscle
15. Iliocostalis cervicis muscle
16. Rib II
17. Greater occipital
18. Lesser occipital nerve
19. Sternocleidomastoid muscle
20. Aponeurosis of origin of splenius capitis muscle
21. Spinous process cervical vertebra VI
22. Interspinalis muscle
23. Semispinalis cervicis muscle
24. Trapezius muscle