Posterior cervical region and suboccipital muscles dissected from behind

Left splenius muscles; right trapezius muscle

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Image #216-2

Posterior cervical region and suboccipital muscles dissected from behind

Left splenius muscles; right trapezius muscle

The trapezius and rhomboid muscles have been removed from the left side of the body. The left scapula has been pulled laterally. The serratus posterior superior (5) has been reflected to expose underlying parts of the erector spinae and splenius muscles.

1. Upper pointer: Fascia covering semispinalis capitis muscle Lower pointer: Greater occipital nerve
2. Third occipital nerve
3. Splenius capitis muscle
4. Levator scapulae muscle
5. Serratus posterior superior muscle (reflected laterally)
6. Nerve supply to serratus posterior superior muscle
7. Rib II
8. Area of insertion of levator scapulae muscle
9. Splenius cervicis muscle
10. Rhomboid minor muscle (cut across)
11. Iliocostalis cervicis muscle
12. Longissimus thoracis muscle
13. Spinalis thoracis muscle
14. Sternocleidomastoid muscle
15. Trapezius muscle
16. Nuchal ligament
17. Band of thoracolumbar fascia (removed elsewhere)
18. Spinous process vertebra Th. II
19. Upper pointer: Spine of scapula Lower pointer: Deltoid muscle
20. Trapezius muscle