Anatomy Of The Lumbar Spine

The lumbar spine is essentially a series of five building blocks called vertebra. 5 lumbar vertebra or the lower backl1 l2 l3 l4 and l5.

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The vertebrae seem to be chained together.

Anatomy of the lumbar spine. They sit on the sacrum the triangular bone wedged into the pelvis. In this episode of eorthopodtv orthopaedic surgeon randale sechrest md discusses the anatomy of the 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 is made up of five distinct vertebrae which are the largest of the vertebral column. These vertebrae carry all of the upper bodys weight while providing flexibility and movement to the trunk region. Anatomy of lumbar spine.

They stack up one on top of the other. The lumbar spines lowest two spinal segments l4 l5 and l5 s1 which include the vertebrae and discs bear the most weight and are therefore the most prone to degradation and injury. The lumbar vertebrae consist of five individual cylindrical bones that form the spine in the lower back.

These vertebrae are much larger in size to absorb the stress of lifting and carrying heavy objects. The lumbar spine is the third region of the vertebral column located in the lower back between the thoracic and sacral vertebral segments. The five vertebrae of the lumbar spine l1 l5 are the biggest unfused vertebrae in the spinal column enabling them to support the weight of the entire torso.

The vertebrae are separated in front by the discs. Lumbar spine anatomy and pain. The spinal column is made up of 26 bones.

Together the brain and spinal cord make up the central nervous system. The lumbar spine consists of 5 moveable vertebrae numbered l1 l5. The spinal cord and its nerves are the means by which the body and brain communicate with one another.

Lumbar spine anatomy helps you understand low back pain now that you have learned about lumbar spine anatomy perhaps you can better understand whats causing your low back pain. Lumbar low back the main function of the lumbar spine is to bear the weight of the body. Lumbar spine lower back anatomy and function.

The sacrum is the base bone of the spine. They also protect the delicate spinal cord and nerves within their vertebral canal. The five lumbar vertebrae are numbered l1 to l5.

The spines four sections from top to bottom are the cervical neck thoracic abdomen lumbar lower back and sacral toward tailbone. 24 unique vertebrae plus the sacrum and coccyx tail bone at the end of the backbone. It also has a complicated innervation and vascular supply.

The lumbar spine is an intricate system and an injury to the vertebrae eg spinal fracure or to the discs eg herniated disc can cause pain. The five lumbar vertebrae are numbered l1 to l5.

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