Lumbar Spine (Lower Back) Anatomy and Function - Health Pages
2021年6月29日 · The lumbar spine makes up the the lower end of the spinal column. It consists of 5 lumbar vertebra that are numbered 1 through 5 from top to bottom i.e. L1, L2, L3, L4, and L5. The L5 vertebra is connected to the top of the sacrum (named the S1 segment) through an intervertebral disc.
Lumbar vertebrae: anatomy of the bony lumbar spine | Kenhub
2023年11月16日 · The lumbar vertebrae are perhaps most easily defined by their stout and think vertebral bodies; they are relatively large, wider laterally compared to anteroposteriorly and thicker in its anterior half compared to posterior (which contributes to the ).
The Spine: Anatomy and Function
2023年12月5日 · It protects the nervous system, facilitates movement, and enables communication between the brain and the rest of the body. Nevertheless, despite being such a critical structure in the human body, the spine is often misunderstood, which can lead to unnecessary fear and anxiety about spinal health.
Lumbar Spine Anatomy, Diagram & Function | Body Maps - Healthline
2018年1月24日 · Lumbar vertebrae: Numbered L1 through L5, these odd-shaped vertebrae signal the end of the typical bones of the spinal column. Sacrum : This triangle-shaped bone is made up of five fused...
Anatomy, Back, Lumbar Vertebrae - StatPearls - NCBI Bookshelf
2023年7月30日 · The spine has several significant roles in the body, including protection of the spinal cord and branching spinal nerves, support for the thorax and abdomen, and enabling flexibility and mobility. The intervertebral discs are responsible for this mobility without sacrificing the supportive strength of the vertebral column.
Spine Structure and Function - Cleveland Clinic
Your lumbar spine supports the upper parts of your spine. It connects to your pelvis and bears most of your body’s weight, as well as the stress of lifting and carrying items. The lumbar spine bends inward to create a C-shaped lordotic curve. Sacrum: This triangle-shaped bone connects to …
Lumbar Vertebrae (Lumbar Spine) – Anatomy, Location,
2022年5月24日 · The lumbar vertebrae provide a protective casing for all the spinal nerve roots (cauda equina) at the end of the spinal cord. These nerves then run down into the legs and feet to control movement and sensation.
Lumbar Anatomy - Physiopedia
The main function of the facet joints is to guide lumbar movements and keep the vertebrae in line during flexion–extension and lateral flexion. Because of the more sagittal slope of the articular surfaces, very little rotation takes place at the four upper lumbar levels.
Lumbar Vertebrae - Spine-health
Explore the anatomy of the lumbar vertebrae including their structure, function, facet joints, and intervertebral foramina. Learn how it relates to lower back pain and radiating leg pain.
Lumbar vertebrae - Wikipedia
The lumbar vertebrae help support the weight of the body, and permit movement. General characteristics. Lumbar vertebrae. The adjacent figure depicts the general characteristics of the first through fourth lumbar vertebrae. The fifth vertebra …