L5-S1 nerve root region

What does "L5-S1 nerve root region" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.

Explanation

The L5-S1 nerve root region refers to a specific area in the lower back where the last lumbar nerve (L5) and the first sacral nerve (S1) are located. These nerves exit the spine and branch out to other parts of the body. Problems in this area, like a herniated disc or spinal stenosis, can cause pain or numbness in the lower back, hips, buttocks, and legs. This is because these conditions can put pressure on the nerves, affecting their ability to function properly.

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