Of Low Back Pain
Causes of Low Back Pain
Spondylolisthesis occurs when one lumbar vertebra slips forward in relationship
to the adjacent vertebra. In the Greek language, the term spondylolisthesis
means slipped vertebra. The neural arch (lamina) and the paired facet joints
are anatomical structures that prevent vertebrae from slipping (Fig 1). A vertebra
may slip following the development of a stress fracture through the neural
arch. The defect in the lamina separates the back part of the vertebra from
the remaining part; the vertebral body and disc. The stabilizing role of the
paired facet joints is lost and the vertebral body slips forward. The laminar
stress fracture (in Greek called spondylolysis) occurs in a specific region
of the lamina called the pars interarticularis or isthmus. Hence the condition
is called isthmic spondylolisthesis.
live life in pain!
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