Level of L5-S1

What does "Level of L5-S1" 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

"Level of L5-S1" refers to a specific location in the lower back. The spine is divided into several sections, and each section is labeled with a letter and number. "L5" is the fifth bone in the lower back section of the spine, and "S1" is the first bone in the section of the spine that forms the back of the pelvis. So, "level of L5-S1" is the area where these two bones meet.

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