The lumbar spine rests upon the sacrum. The place where they meet is ... Understanding the basic anatomy of the five lumbar bones that make up your low back can help you get the right treatment ...

The cauda equina is the lumbar and sacral nerve roots extending from the lowest part of the spinal cord. It fills the thecal sac from approximately L2 to S1. Symptoms include urinary retention or ...

are anatomical variations at the lumbosacral junction, where the last lumbar vertebra may take on characteristics of the sacral vertebrae. This condition can be associated with various spinal ...