The spinal cord is a long bundle of nerves and cells that extends from the lower portion of the brain to the lower back. Spinal cord functions include carrying signals between the brain and the rest ...

The back supports the body’s weight and allows for flexible movement while protecting vital organs and nerve structures. It comprises the spine, nerves, and other crucial elements. Problems with the ...

Medically reviewed by Jennifer Steinhoff, MD Key Takeaways The lumbar spine includes five vertebrae that help with mobility ...