You may have heard your practitioner mention something about your L4-L5 spinal segment. The lower back (lumbar spine) is a fairly complex structure. It consists of 5 vertebrates, the lowest is the ...

[6] Physical examination. Physical examination often reveals limitation in motion of the lumbar spine, especially regarding extension of the spine. Spinal extension causes significant narrowing of ...

Researchers assessed physiologic changes of the spine as well as the frequency of low back pain among astronauts during and after spaceflight.

The desire for a minimally invasive technique to restore intervertebral disc height for indirect decompression and sagittal ...