base of spine
- sacrumFused vertebrae above tailbone
- coccyxFused vertebrae forming tail
- tailboneFused vertebrae at spine's base
- lower backSpine's bottom section
- lumbarOf the lower spine
pelvis · sit bones · root · kundalini · chakra · vertebrae · spinal column · buttocks · hips · nerve · sciatic · foundation · grounding · seated · posture · core · support · curve
vertical anatomical position
base of spinecervical spine
Upper vertebral column segment
neck · skull base · occiput · head · nape