1 — Lumbar vertebrae, spinous process; 2 — Medial lumbar intertransversarii; 3 — Ligamenta flava; 4 — Lumbar vertebra [LI], vertebral arch; 5 — Rotatores thoracis; 6 — Levatores costarum breves; 7 — Levatores costarum longi; 8 — Costotransverse ligament; 9 — Intertransverse ligaments; 10 — False rib [IX]; 11 — Multifidus; 12 — Floating rib [XII]; 13 — Lumbar vertebrae, costal process; 14 — Quadratus lumborum fascia; 15 — Intertransversarii laterales lumborum; 16 — Erector spinae
