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.
Lumbar vertebrae - Wikipedia
The lumbar vertebrae are located between the thoracic vertebrae and pelvis. They form the lower part of the human back in humans, and the tail end of the back in quadrupeds. In humans, there are five lumbar vertebrae. The term is used to describe the anatomy of humans and quadrupeds, such as horses, pigs, or cattle.
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 lumbar lordosis). Their intervertebral surfaces are somewhat flattened or slightly concave ...
Anatomy, Back, Lumbar Vertebrae - StatPearls - NCBI Bookshelf
2023年7月30日 · The lumbar region contains five vertebrae, denoted L1-L5. The intervertebral discs, along with the laminae, pedicles, and articular processes of adjacent vertebrae, create a space through which spinal nerves exit. The lumbar vertebrae, as a …
The Spine: Anatomy and Function - National Spine Health …
2023年12月5日 · Imagine it as a stack of building blocks (the vertebrae) that are connected by strong, flexible bands (ligaments) and cushioned by soft pads (discs). This structure not only helps us stay upright but also supports our body weight and gives us our shape. But the spine does more than just hold us up. It’s also a highway for information.
Lumbar Vertebrae - Spine-health
The lumbar spine contains 5 vertebrae, labeled L1 to L5, which progressively increase in size going down the lower back. The vertebrae are connected with joints at the back to enable bending and twisting movements of the spine.
The Lumbar Vertebrae: Anatomy and 3D Illustrations - Innerbody
4 天之前 · The lumbar vertebrae are the some of the largest and heaviest vertebrae in the spine, second in size only to the sacrum. A cylinder of bone known as the vertebral body makes up the majority of the lumbar vertebrae's mass and bears most of the body's weight.
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.
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.
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 …