Transversal section of the dorsal muscles
Illustration of transversal section of dorsal muscles at the level of lumbar spine.
| Term name | Layer | |
|---|---|---|
| 1 | Thoracolumbar fascia | Layer 1 |
| 2 | Longissimus | Layer 1 |
| 3 | Iliocostalis lumborum | Layer 1 |
| 4 | Multifidus | Layer 1 |
| 5 | Quadratus lumborum | Layer 1 |
| 6 | Psoas major | Layer 1 |
| 7 | External oblique | Layer 1 |
| 8 | Internal oblique | Layer 1 |
| 9 | Transversus abdominis; transverse abdominal | Layer 1 |
| 10 | Latissimus dorsi | Layer 1 |