Adult lumbar puncture needle penetration depth

According to your description, lumbar puncture is performed in the gap between our L3~L4 or L4~L5. Lumbar puncture is a slow insertion of the needle perpendicular to the back. Generally, the depth of needle insertion for adult lumbar puncture is 4-6 cm. After a lumbar puncture, it is recommended that you take rest, avoid excessive fatigue, or do some strenuous exercises, and you can do some aerobic exercises appropriately.

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