Spinal Anatomy Lumbar

The lumbar vertebrae consist of five individual cylindrical bones that form the spine in the lower back. Two vertebrae such as l4 l5 stacked vertically with an intervertebral disc between them.

Spine Anatomy What You Need To Know Florida Medical Clinic

5 lumbar vertebra or the lower backl1 l2 l3 l4 and l5.

Spinal anatomy lumbar. The spines four sections from top to bottom are the cervical neck thoracic abdomen lumbar lower back and sacral toward tailbone. The lumbar spine low back is the third major region of the spine. Discs in the lumbar region of the spine are most likely to herniate or degenerate which can cause pain in the lower back or radiating pain to the legs and feet.

The two adjacent vertebrae are connected in the back of the spine by two small joints called facet. They also protect the delicate spinal cord and nerves within their vertebral canal. The spinal cord travels from the base of the skull to the joint at t12 l1 where the thoracic spine meets the lumbar spine.

There are nerves that branch off from the spinal column at. Our general interest e newsletter keeps you up to date on a wide variety of health topics. Free e newsletter subscribe to housecall.

Spinal nerves l1 through l4 converge to form the lumbar plexus. The spine vertebral column of a typical adult is composed of 32 vertebrae divided into five sections. The spinal cord and its nerves are the means by which the body and brain communicate with one another.

Most people have five bones vertebrae in the lumbar spine although it is not unusual to have six. Together the brain and spinal cord make up the central nervous system. Lumbar spine lower back anatomy and function 7 cervical vertebrae which make up the neck.

12 thoracic vertebrae of the chest. This plexus splits into nerves that carry sensory messages and provide motor control to the muscles of the abdomen and leg. The bony spinal column surrounds your spinal cord much like a conduit around an electrical cord.

It protects the all important spinal cord a bundle of nerves that run from your brain through your spinal column and branch out to the rest of the body. It is below the cervical spine and thoracic spine figure 1. These vertebrae carry all of the upper bodys weight while providing flexibility and movement to the trunk region.

Each lumbar spine segment is comprised of. Lumbar spine anatomy video.

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