Infro about Bilateral L5 Fractures.?!
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http://www.findarticles.com/p/articles/mi_qa3767/is_199809/ai_n8812036
http://www.doereport.com/generateexhibit.php?ID=10639
http://cal.vet.upenn.edu/saortho/chapter_19/19mast.htm
Other Answers:
Bilateral L5 fractures? There is only one L5 vertebrae. Maybe you are referring to a bilateral pars defect. The vertebrae thick part in front that has an arch of bone attached to it on the back. When the vertebrae are sitting on top of each other, the arches line up and make the spinal canal. The pars interarticularis are the parts of the arch that directly connect to the front part of the vertebrae near where the arches themselves connect to the arches above and below. The pars can have a defect. In other words, sometimes they are not attached. This can be traumatic in nature (fracture) but most often they are not. The most common pars defect is called an isthmic defect. We don't know the reason this happens. One of the theories is that it is developmental. Anyway, when both pars (both sides of the arch) are not attached, the front part of the vertebrae can slip forward. This is called a spondylolisthesis. Most of these are stable and cause little or no problems. If it is traumatic in nature, you need surgery to reattach the pars. Otherwise, see your Chiropractor for evaluation and treatment for when it causes pain (if it causes pain) and exercises to keep the back strong around the spondylolisthesis. Good luck.
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Chiropractor
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