Keyword Analysis & Research: lumbar

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What does lumbar mean in anatomy?

In tetrapod anatomy, lumbar is an adjective that means of or pertaining to the abdominal segment of the torso, between the diaphragm and the sacrum. The lumbar region is sometimes referred to as the lower spine, or as an area of the back in its proximity. In human anatomy the five lumbar vertebrae (vertebrae in the lumbar region of the back) ...

What is the lumbar spine used for?

Watch: Lumbar Spine Anatomy Video. "Lumbar" is derived from the Latin word "lumbus," meaning lion, and the lumbar spine earns its name. It is built for both power and flexibility - lifting, twisting, and bending. See Spinal Anatomy and Back Pain.

What is a lumbar spine segment?

Each lumbar spine segment is comprised of: Two vertebrae, such as L4-L5, stacked vertically with an intervertebral disc between them. A healthy disc is cushiony, with a lot of water, and has a sponge-like substance. The two adjacent vertebrae are connected in the back of the spine by two small joints called facet joints.

What is a lumbar disc problem?

Doctors usually talk about a patient's lumbar disc problem, or nerve or other lower back problem, as the level that includes two vertebrae and the disc between them, such as L3-L4 or L4-L5. If the disc at the very bottom of the spine is affected, that segment is called the lumbosacral joint L5-S1...

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