Figure herniated disc - symptoms

Disc prolapse -
Symptoms

1. Fifth cervical vertebra
2. Sixth cervical vertebra
3. Seventh cervical vertebra -
   Vertebra prominenta
4. Twelfth thoracic vertebra -
   Vertebra thoracica XII
5. First lumbar vertebra -
   Vertebra lumbalis I
6. Fourth lumbar vertebra -
   Vertebra lumbalis IV
7. Fifth lumbar vertebra -
   Vertebra lumbalis V
8. Five sacral vertebrae
   (merged)
9. Pear-shaped muscle -
   Piriformis muscle
10. Sciatic nerve -
    Sciatic nerve
    Sections of the spine:
    C - neck area (cervical)
    T - chest area (thoracic)
    L - lumbar region (lumbar)
    S - sacrum area (sacral)

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