There are 5 lumbar vertebrae in the lumbar region. There are 5 sacral vertebrae, which are fused as one bone and known as the sacrum, in the sacral region. There are 3 to 5 coccygeal vertebrae, which ...

These nerves send signals for things like pressure, pain, temperature, and texture from your skin to the spinal cord and ...

Medically reviewed by Doru Paul, MDMedically reviewed by Doru Paul, MD Tailbone pain, or coccydynia, occurs below your hips ...