1 — Iliocostalis lumborum; 2 — Longissimus thoracis; 3 — Thoracic intertransversarii; 4 — External intercostal muscle; 5 — Longissimus cervicis; 6 — Interspinales cervicis; 7 — Longissimus capitis; 8 — Semispinalis capitis; 9 — Rectus capitis posterior minor; 10 — Obliquus capitis superior; 11 — Obliquus capitis inferior; 12 — Semispinalis cervicis; 13 — Semispinalis thoracis; 14 — Levatores costarum; 15 — Medial lumbar intertransversarii; 16 — Thoracolumbar fascia, anterior layer; quadratus lumborum fascia
