Lumbar Spine: What It Is, Anatomy & Disorders - Cleveland Clinic
网页2022年2月17日 · Your lumbar spine consists of the five vertebrae in your lower back. It provides support for the weight of your body, surrounds and protects your spinal cord, and allows for a wide range of body motions. Many conditions can affect this area of your spine, including lower back pain, arthritis, degenerative bone and disk disease, and stenosis.
Lumbar vertebrae - Wikipedia
网页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.
The Lumbar Vertebrae: Anatomy and 3D Illustrations - Innerbody
网页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.
Lumbar Spine Anatomy and Pain
网页The lumbar spine connects with the thoracic spine above at the thoracolumbar junction and the sacral spine below at the lumbosacral joint. The lumbar motion segments may be affected by congenital (birth-related), degenerative, traumatic, or inflammatory disorders.
Lumbar vertebrae: anatomy of the bony lumbar spine | Kenhub
网页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.
Lumbar Spine Anatomy, Diagram & Function | Body Maps - Healthline
网页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...
Spine Structure and Function - Cleveland Clinic
网页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.
Lumbar Vertebrae - Definition, Function & Structure - Biology …
网页2019年4月23日 · The lumbar vertebrae are bones that make up the spinal column or backbone, specifically within the lower back. These bones are below the cervical and thoracic vertebrae but above the sacrum or pelvis. They are the largest of the unfused vertebrae, and are larger than the bones located above.
Lumbar Vertebrae - Spine-health
网页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.
Lumbar Vertebrae (Lumbar Spine) – Anatomy, Location,
网页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.