Disc space of L5-S1

What does "Disc space 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

The "disc space of L5-S1" refers to the cushioning area between two specific bones in the lower back. These bones are the last vertebra of the lumbar spine (L5) and the first vertebra of the sacral spine (S1). The disc space acts like a shock absorber during movement, preventing the bones from rubbing against each other. It's often mentioned in medical contexts related to back pain or injury.

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