The complex anatomy of the lumbar region is a remarkable combination of these strong vertebrae (with their multiple bony elements) linked by joint capsules, and flexible ligaments/tendons, large muscles, and highly sensitive nerves.

Your lumbar spine is the lower back region of your spinal column or backbone. It consists of five bones (L1-L5). Other structures in or around your lumbar spine are your intervertebral disks, spinal cord and nerves, muscles, tendons and ligaments.

2025年1月13日 · The lumbar spine, in your lower back, is vital for support, movement, and nerve protection. Here’s how: ... Spinal Cord in Spine Anatomy. The spinal cord is a tube-like structure made of nerve tissue that runs through your backbone, connecting your brain to the rest of your body. It starts at the base of your brain, near the back of your head ...

The lumbar spinal nerves that branch off from the spinal cord and cauda equina to control movements and sensation in the legs. When viewed from the side, the lumbar spine has a concave lordotic curve that helps distribute weights and reduce the concentration of stresses.

2023年11月16日 · Structure and location of the lumbar spine and features of the lumbar vertebrae. 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.

2025年1月28日 · The lumbar spine is located in the lower back, between the thoracic spine (mid-back) and the sacrum (pelvic region). It is the region just above the buttocks. [6] Structure and Anatomy Vertebral Composition. The lumbar spine consists of …

2025年1月21日 · The lumbar region is located between the thoracic (chest) region of the spine and the sacrum, a large bone at the base of the spine. The lumbar spine usually curves slightly inward, called lordosis. Problems with the lumbar spine may cause pain and limited motion in …

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 …

2020年6月17日 · 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. This article will look at the osteology of the lumbar vertebrae, examining their characteristic features, joints and their clinical correlations. Access this feature with pro.

2021年6月29日 · Here we will attempt to provide a brief overview of lumbar spinal anatomy. 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.