All About the L4-L5 Spinal Segment - Spine-health
Together with the intervertebral disc, joints, nerves, and soft tissues, the L4-L5 spinal motion segment provides a variety of functions, including supporting the upper body and allowing trunk motion in multiple directions. 1 Waldman SD. Functional Anatomy of …
Lumbar Spine: What It Is, Anatomy & Disorders - Cleveland Clinic
2022年2月17日 · What is the lumbar spine? Your lumbar spine consists of the five bones (vertebra) in your lower back. Your lumbar vertebrae, known as L1 to L5, are the largest of your entire spine. Your lumbar spine is located below your 12 chest (thoracic) vertebra and above the five fused bones that make up your triangular-shaped sacrum bone.
Spinal Motion Segment: L4-L5 Animation - Spine-health
The L4-L5 spinal motion segment is located in the lower portion of the lumbar spine and consists of L4 and L5 vertebrae, and the anatomical structures connecting them. This segment helps provide flexibility to the trunk and low back, supports the upper body, and protects the cauda equina and nerve pathways.
Lumbar vertebrae: anatomy of the bony lumbar spine - Kenhub
2023年11月16日 · The lumbar vertebrae are five in number and desginated as vertebrae L1-L5. They are primarily responsible for bearing the weight of the upper body (and permitting movement) and consequently represent the largest individual segments of the vertebral column.
Anatomy, Back, Lumbar Spine - StatPearls - NCBI Bookshelf
2023年8月14日 · The L4 and L5 roots join to form the lumbosacral trunk, which descends into the pelvis to join the sacral plexus. The lumbosacral plexus then gives rise to the sciatic nerve (L4-S3), which branches into the common peroneal and tibial nerves.
The L5 Vertebra: Anatomy and 3D Illustrations - Innerbody
5 天之前 · The L5 vertebra is located in the spinal column of the lumbar (lower back) region inferior to the L4 vertebra and superior to the sacrum. Like the other lumbar vertebrae, L5 has a large, roughly cylindrical region of bone known as the body that makes up most of its mass.
Vertebra L4 - e-Anatomy - IMAIOS
The lumbar vertebra L4 (4th lumbar vertebra) is characterized by several distinct anatomical features:The vertebral body of L4 is larger and more robust compared to the upper lumbar vertebrae, reflecting its role in bearing a significant portion of the body's weight. ... Quantitative Three-Dimensional Anatomy.Panjabi MM, Goel V, Oxland T, et al ...
Lumbar Vertebrae (Lumbar Spine) – Anatomy, Location, & Diagram
2022年5月24日 · The lumbar spine is the third and lowermost part of the spinal column, consisting of 5 lumbar vertebrae, L1-L5. They are found in the lower back, supporting the body’s weight and providing flexibility and movement.
The Lumbar Vertebrae: Anatomy and 3D Illustrations - Innerbody
5 天之前 · Explore the anatomy and function of the lumbar vertebrae with Innerbody's interactive 3D model. The lumbar vertebrae consist of five individual cylindrical bones that form the spine in the lower back. These vertebrae carry all of the upper body's weight while providing flexibility and movement to the trunk region.
Intervertebral Disc (L4-L5) | Complete Anatomy - Elsevier
Discover the anatomy, function, and structure of intervertebral discs. Learn how they contribute to spinal stability and shock absorption.