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Central Lumbar Stenosis Causes and Effects

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Central Lumbar Stenosis Causes and Effects

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Questions and Answers

What structure in the lumbar region primarily contributes to central lumbar stenosis?

Overgrowth of facet joints (correct)

Compression from surrounding muscles

Neural foramina enlargement

Herniated disc

Which of the following correctly describes the impact of central lumbar stenosis on neurological function?

It leads to unilateral neural compromise.

It does not cause any significant neurological symptoms.

It only affects motor functions.

All dermatomes and myotomes below the affected area are compromised. (correct)

Which condition is a result of abnormal motion in the lumbar spine associated with central lumbar stenosis?

Herniated disc

Cervical radiculopathy

Spondylolisthesis (correct)

Sciatica

What is a result of ligamentum flavum hypertrophy in the context of lumbar spinal issues?

<p>Posterior canal compromise (C)</p> Signup and view all the answers

What type of stenosis occurs bilaterally in the context of central lumbar issues?

<p>Bilateral central stenosis (A)</p> Signup and view all the answers

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Flashcards

Central Lumbar Stenosis

A condition where the spinal canal in the lower back (lumbar region) narrows, putting pressure on the spinal cord.

Ligament Overgrowth in Central Lumbar Stenosis

The ligaments in the back can thicken and harden, putting pressure on the spinal cord.

Facet Joint Overgrowth in Central Lumbar Stenosis

The facet joints, located in the back of the spine, can develop bony growths, also putting pressure on the spinal cord.

Calcification of Ligaments in Central Lumbar Stenosis

Calcification of ligaments in the back is a common finding in Central Lumbar Stenosis.

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Spondylolisthesis in Central Lumbar Stenosis

A condition where one vertebral bone slips forward or backward on the bone below it. This can worsen Central Lumbar Stenosis.

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Study Notes

Central Lumbar Stenosis

Narrowing of the lumbar spinal column.
Compression of the spinal cord.
Ligaments originating from the back contribute to the compression.
Compression also occurs from lateral aspects.
Overgrowth on facet joints and calcification of ligaments contribute to the spinal narrowing.
Condition is often bilateral (affects both sides).
All sensory (dermatomes) and motor (myotomes) functions below the affected level are likely affected.

Causes of Spinal Compression

Abnormal spinal movement (spondylolisthesis). Spondylolisthesis can be either anterior (ante) or posterior (retro).
Compression at specific vertebral levels (e.g., C3-4, C4-5, though the context refers to lumbar stenosis)
Thickening of the ligamentum flavum (posterior spinal canal compromise).

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Description

Explore the critical aspects of central lumbar stenosis, including the compression of the spinal cord and factors contributing to spinal narrowing. Understand the role of abnormal spinal movements such as spondylolisthesis and the effects on sensory and motor functions below the affected level.