11. Human skeletons have five lumbar vertebrae each. 12. At the ends of the thoracic region they resemble respectively those of the cervical and lumbar vertebrae . 13. The sheath of the muscle arises from the lumbar vertebrae and the intervertebral discs between the vertebra. 14. The most common joint affected by the disorder was the lumbar vertebrae of both males and females. 15. Vaught has a degeneration between the fourth and fifth lumbar vertebrae , which was discovered in late 1994. 16. The problem was found to be a stress fracture in the fifth ( L5 ) Lumbar vertebrae . 17. Some individuals may also have additional ( i . e . supernumerary ) cervical ribs or lumbar vertebrae . 18. They are horizontal in the upper three lumbar vertebrae and incline a little upward in the lower two. 19. It has a broader ribcage than most other prosimians, and has many lumbar vertebrae lending it considerable flexibility. 20. Holtz had an MRI on Thursday, which showed a protruding disc between the third and fourth lumbar vertebrae .