The spine is split into five regions: the cervical, thoracic, lumbar, sacral, and coccyx. The vertebrae of the sacrum and coccyx are fused, but those of the cervical, thoracic, and lumber regions are free to articulate.

What region has 5 vertebrae?

The upper back, or thoracic spine, has 12 vertebrae, labeled T1-T12. The lower back, or lumbar spine has five vertebrae, labeled L1-L5. The sacrum and coccyx (tailbone) are made up of nine vertebrae that are fused together to form a solid bone. The sacrum is labeled S1.

Which area of the spine has 5 vertebrae each?

The lumbar section is located between the thoracic vertebrae and the sacrum. The five lumbar vertebrae, labeled L1 to L5, are the main weight-bearing section of the spinal column.