Figure muscle - spinal erector

Spinal erector
(Back extensor)

1. Spinal erector
   Erector spinae muscle
   (1a + 1b + 1c)
   1a - spine muscle -
   Spinal muscle
   1b - longest muscle -
   Longissimus muscle
   1c - iliac-rib muscle -
   Iliocostalis muscle
2. Temporal bone - Temporal bone
3. First cervical vertebra (carrier) -
   Atlas
4. Seventh cervical vertebra -
   Vertebra prominent
5. First thoracic vertebra -
   Vertebra thoracica I
6. Ribs - Costa
7. Twelfth thoracic vertebra -
   Vertebra thoracica XII
8. First lumbar vertebra -
   Vertebra lumbalis I
9. Fifth lumbar vertebra -
   Vertebra lumbalis V
10. Iliac scoop -
    Ala ossis ilii
11. Sacrum -
    Sacrum

You can find an overview of all Dr-Gumpert images at: medical illustrations

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