Adult lumbar puncture needle depth

According to your description, lumbar puncture is performed in the space between our L3L4 or L4L5. Lumbar puncture is a slow insertion of the needle in the direction perpendicular to the back. Generally, the insertion depth of an adult lumbar puncture is 4 to 6 cm. After a lumbar puncture, it is recommended that you take rest, avoid excessive exertion, or do some strenuous exercise. You can do some aerobic exercise appropriately.

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