"The word Sciatica originates from the word Sciatic. The Sciatic is the largest and the most crucial nerve in our legs. So any pain that originates from the back and shoots below the cores of this nerve is called Sciatica. If you observe your Spinal column’s front and rear view, you will see nerves coming out from the space between every two vertebrae. The bottom-most 3 or 5 nerves... https://sahyadrihospital.com/videos/sciatica-symptoms-causes-treatment/