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.

Jan 13, 2025 · 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 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.

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.

Feb 12, 2024 · Bone, cartilage, ligaments, nerves, and muscles make up the lumbar spine. Every one of these elements is essential to the shape and functionality of the lumbar spine. The lumbar spine serves three primary purposes. To begin with, …

Aug 14, 2023 · 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 …

Jan 21, 2025 · In a normal, healthy spine, the five lumbar vertebrae stack on top of one another in a centered alignment. While all vertebrae have approximately the same shape, the lumbar bones are the largest. This is because they carry a larger load transmitted from the top of the head down to the lower spine.

Jan 28, 2025 · The lumbar spine also houses and protects the spinal cord’s nerves as they exit towards the lower body. Location. 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

Jun 17, 2020 · 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.

Nov 16, 2023 · 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.