Attached short video comprehensively describes the positioning and procedure of performing lumbar puncture. Lumbar puncture is a common procedure in medicine. It is indicated in variety of conditions such as: - Diagnosis of meningitis - Measuring intracranial pressure - Relief of intracranial hypertension in absence of space occupying lesion - Diagnosis of subarachnoid hemorrhage - Diagnosis of demyelinating diseases such as Guillian Barre Syndrome Video courtesy: https://www.youtube.com/watch?v=WpXGUn7eGZE