The fourth in a series, this article explores the peripheral nervous system: the nerves that connect the central nervous system to the rest of the body. This is a Self-assessment article and comes ...

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 thoracic spine is part of your spinal column and is composed of 12 bones that are stacked one upon another. The thoracic spine is located between your cervical and lumbar spines, and it serves as ...

The obturator nerve is a large, multibranched nerve that travels through your pelvis to your inner thigh. This nerve helps you feel sensations like temperature and pain in your lower limbs. It also ...

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 ...