Lumbar Spine: What It Is, Anatomy & Disorders - Cleveland Clinic
2022年2月17日 · 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.
The Lumbar Spine - Joints - Ligaments - TeachMeAnatomy
2020年6月17日 · The lumbar spine is the third region of the vertebral column, located in the lower back between the thoracic and sacral vertebral segments. It is made up of five distinct vertebrae, which are the largest of the vertebral column. This supports the lumbar spine in its main function as a weight bearing structure.
Lumbar Spine Anatomy, Diagram & Function | Body Maps - Healthline
2018年1月24日 · The spine’s four sections, from top to bottom, are the cervical (neck), thoracic (abdomen,) lumbar (lower back), and sacral (toward tailbone). Throughout the spine, intervertebral discs...
Lumbar vertebrae: anatomy of the bony lumbar spine | Kenhub
2023年11月16日 · The lumbar spine is located in the lower half of the vertebral column, inferior to the thoracic vertebrae / rib cage and superior to the pelvis and sacrum. The lumbar vertebrae are five in number and desginated as vertebrae L1-L5.
Lumbar Spine Anatomy and Pain
The lower back comprises the lumbar spine, which is formed by vertebral bones, intervertebral discs, nerves, muscles, ligaments, and blood vessels. The spinal cord ends at the top of the lumbar spine, and the remaining nerve roots, called the cauda equina, descend down the remainder of the spinal canal.
Lumbar Anatomy - Physiopedia
The lumbar spine consists of 5 moveable vertebrae (numbered L1-L5). The lumbar vertebrae, as a group, produce a lordotic curve [1] The intervertebral discs are responsible for the mobility without sacrificing the supportive strength of the vertebral column.
Lumbar Spine Anatomy - Orthobullets
Lumbar spine has the largest vertebral bodies in the axial spine. Components of vertebral bodies. anterior vertebral body. posterior arch. formed by. pedicles. project posteriorly from posterolateral corners of vertebral bodies. lamina. project posteromedially from pedicles, join in the midline.
Spine: Anatomy, Function, Parts, Segments & Disorders - Cleveland Clinic
2023年10月18日 · Lumbar spine (lower back): Five vertebrae (L1 to L5) make up the lower part of your spine. 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.
Anatomy, Back, Lumbar Spine - StatPearls - NCBI Bookshelf
2023年8月14日 · The lumbar spine comprises the lower end of the spinal column between the last thoracic vertebra (T12) and the first sacral vertebra (S1). The spinal cord in this region has protection from five durable and mobile vertebrae (L1-L5) that allow for the dispersion of …
Lumbar Spine Anatomy - eOrthopod.com
Introduction. Knowing the main parts of your low back and how these parts work is important as you learn to care for your back problem. Two common anatomic terms are useful as they relate to the low back. The term anterior refers to the front of the spine. The term posterior refers to the back of the spine.