Question

Sort the structures and regions of the spine from superior to inferior:

lumbar

Atlas

sacrum

cervical

thoracic

coccyx

Answer 1

Cervical: 7 vertebrae (C1 = highest; C7 = lowest)

Thoracic: 12 vertebrae (T1 = highest; T12 = lowest)

Lumbar: 5 vertebrae (L1 = highest; L5 = lowest)

Sacral: 5 fused vertebrae (S1 = highest; S5 = lowest)

Coccygeal: 3-4 fused vertebrae (Co1 = highest; Co3 = lowest)