The lumbar spine includes five vertebrae that help with mobility and stability. Lumbar vertebrae are larger because they carry the load from your head down to the lower spine. The lumbar spine has a ...

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 ...

What Is the Cervical Spine? Where Is the Cervical Spine Located? A long, flexible column extending through most of your upper body, the spinal column consists of seven bones called vertebrae. The ...

The thoracic nerves refer to the cluster of nerve fibers found in the upper body, particularly within the chest region. These nerve fibers are considered spinal nerves, which carry and transmit ...

The sciatic nerve is the dominant nerve that innervates the lower back and the lower extremities. It travels from the lower spine, through the pelvis, and down each leg. It is the longest and widest ...

Click on the labels below to find out more about your nervous system and senses. Your spinal cord can be divided into four sections shown in green, blue, pink and turquoise. Nerves emerging from these ...