Spine Anatomy Lumbar

Each lumbar spine segment is comprised of. The lumbar vertebrae consist of five individual cylindrical bones that form the spine in the lower back.

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Spine anatomy lumbar. Throughout the spine intervertebral discs made of cushioning material both pad and connect the vertebrae. An abnormal curve from side to side is called scoliosis. The bony spinal column surrounds your spinal cord much like a conduit around an electrical cord.

There are nerves that branch off from the spinal column at. 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. Most people have five bones vertebrae in the lumbar spine although it is not unusual to have six.

For example joint instability can lead to disc degeneration which in turn can put pressure on the nerve roots etc. 12 thoracic vertebrae of the chest. An abnormal curve of the lumbar spine is lordosis also called sway back.

Most of the motion in the lumbar spine is at l3 l4 and l4 l5 so these segments are the most likely to breakdown from wear and tearsuch as osteoarthritis or degenerative disc disease. Lumbar spine lower back anatomy and function 7 cervical vertebrae which make up the neck. An abnormal curve of the thoracic spine is kyphosis also called hunchback.

Many lumbar spine conditions are interrelated. The lumbar spine low back is the third major region of the spine. The two adjacent vertebrae are connected in the back of the spine by two small joints called facet.

Excess body weight weak muscles and other forces can pull at the spines alignment. The bony spinal column surrounds your spinal cord much like a conduit around an electrical cord. Together the brain and spinal cord make up the central nervous system.

They also protect the delicate spinal cord and nerves within their vertebral canal. Lumbar spine anatomy video the motion in the lumbar spine is divided between five motion segments. These vertebrae carry all of the upper bodys weight while providing flexibility and movement to the trunk region.

It is below the cervical spine and thoracic spine figure 1. Two vertebrae such as l4 l5 stacked vertically with an intervertebral disc between them. The following outlines the more common causes of lower back pain.

5 lumbar vertebra or the lower backl1 l2 l3 l4 and l5. It is made up of five distinct vertebrae which are the largest of the vertebral column. The spines four sections from top to bottom are the cervical neck thoracic abdomen lumbar lower back and sacral toward tailbone.

The lumbar spine is the third region of the vertebral column located in the lower back between the thoracic and sacral vertebral segments. Muscular problems the most common cause of lower back pain is muscle strain or other muscle problems.

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