L5 S1 Anatomy

The fifth lumbar spine vertebrae l5 is part of the greater lumbar region. The lumbar spine rests upon the sacrum.

Lumbar Spine Anatomy Overview Gross Anatomy Natural Variants

1 these characteristics may make l5 s1 susceptible to traumatic injuries degeneration disc herniation andor nerve pain.

L5 s1 anatomy. L5 s1 treatment lumbar spine anatomy video conditions affecting the l5 s1 spinal motion segment are usually treated with nonsurgical methods. If the lower back andor leg symptoms worsen or do not improve despite these treatments or in case of certain medical emergencies such as tumors or cauda equina syndrome surgery may be recommended. The l5 s1 motion segment has distinctive anatomy and receives a higher degree of mechanical stress and loads compared to the segments above.

To the human eye this is the curve just above the buttocks which is also commonly referred to as the small of the back. This is a forward curve that helps keep the discs and muscles in proper alignment. L5 s1 is the joint that connects these bones.

The place where they meet is called the lumbosacral joint or l5 s1. The l5 is larger than its counterparts located in the thoracic and cervical regions. In fact l5 s1 is the exact spot where the lumbar spine ends and the sacral spine begins.

The sacrum is made of five fused bones of which the s1 is the topmost. In between vertebrae are spinal discs which cushion the joints of the spine and provide support. The two lowest segments in the lumbar spine l5 s1 and l4 l5 carry the most weight and have the most movement making the area prone to injury.

It is also called the lumbosacral joint.

Lumbar Spine Anatomy L5 S1