Verywell Health on MSN4 个月
Lumbosacral Joint (L5-S1): Anatomy and Pain Symptoms
The sacrum is made of five fused bones—S1 is at the top ... may increase the vulnerability of the L5-S1 junction even more.
Verywell Health on MSN6 个月
Can Tailbone Pain Be a Cancer Symptom?
to your hip bone. Your tailbone is attached to the bottom of your sacrum. Dysfunction or inflammation of the sacroiliac ...