What Is Sciatica? Sciatica Is a common neurological condition that causes pain along the path of the sciatic nerve, the largest nerve in the human body. The sciatic nerve originates in the lower back and extends through the hips, buttocks, and down each leg. When this nerve becomes compressed, irritated, https://andresnkfaw.wikijm.com/2347442/neuro_trauma_care_why_immediate_treatment_is_critical_after_head_and_spine_injuries