Anatomy Lumbar Spine

It fits like a wedge into the back of the pelvis at the hips. The lumbar spine low back is the third major region of the spine.

Lumbar Spine Anatomy

Problems with the lumbar spine may cause pain and limited motion in your back or hips.

Anatomy lumbar spine. The complex anatomy of the lumbar spine is a remarkable combination of these strong vertebrae multiple bony elements linked by joint capsules and flexible ligamentstendons large muscles and highly sensitive nerves. It also has a complicated innervation and vascular supply. This small bone is better known as the tailbone.

In the back of the spine the vertebrae are hooked together by paired joints called facet. What is the lumbar spine. This triangle shaped bone is made up of five fused vertebrae.

It is below the cervical spine and thoracic spine figure 1. Numbered l1 through l5 these odd shaped vertebrae signal the end of the typical bones of the spinal column. These bones help to provide mobility and stability to your back and spinal column and are an attachment point for many muscles and ligaments.

There are nerves that branch off from the spinal column at. Each lumbar spine segment is comprised of. The two adjacent vertebrae are connected in the back of the spine by two small joints called facet.

The bony spinal canal sits in the center rear of the spine. Anatomy of lumbar spine spinal canal. Most people have five bones vertebrae in the lumbar spine although it is not unusual to have six.

The lumbar spine is a part of your back comprised of five bones called vertebrae. Two vertebrae such as l4 l5 stacked vertically with an intervertebral disc between them. The lumbar spine consists of 5 moveable vertebrae numbered l1 l5.

Mechanically everything in the lumbar spine revolves around the disc.

Muscles Of The Lumbar Spine Of The Trunk