Below the sacrum is the coccyx bone.
The L5-S1 junction is where the injury spondylolisthesis occurs.
By Anne Asher, About.com Guide
Updated December 05, 2005
About.com Health's Disease and Condition content is reviewed by our Medical Review Board
Below the sacrum is the coccyx bone.
The L5-S1 junction is where the injury spondylolisthesis occurs.
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