What does "L5 and S1 roots" 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.
The "L5 and S1 roots" refer to specific points in the lower back and spine. These points are part of the body's nervous system, which sends signals between the brain and the rest of the body. The L5 root is located in the lower part of the spine, while the S1 root is at the start of the tailbone. Problems with these roots, such as pressure or damage, can cause pain or other symptoms in the lower back, hips, and legs.
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