The sacrum is made of five fused bones—S1 is at the top ... may increase the vulnerability of the L5-S1 junction even more.

to your hip bone. Your tailbone is attached to the bottom of your sacrum. Dysfunction or inflammation of the sacroiliac ...

Back pain is the most common complaint in a ... Beginning at the S1 level, an introducer with stylet is inserted onto the bone of the posterior sacrum. The final position of the introducer is ...

Nevro recently announced its Nevro1 SI Joint Fusion System has been shown to outperform traditional surgical approaches in ...

Lower back pain is curable and can be improved with an understanding of the risk factors that create it, writes Napa fitness ...