what is sciatic nerve
The sciatic nerve (/saÉªËaetÉªk/ ; saÉªËÃ¦tÉªk also called ischiadic, nerve ischiatic) nerve is a large nerve in humans and other. Animals it begins in the lower back and runs through the buttock and down the lower. limbhe sciatic nerve provides the connection to the nervous system for nearly the whole of the skin of the leg, the muscles of the back of the thigh, and those of the leg and foot. It is derived from spinal nerves L4 to S3.