Fibromyalgia Symptoms HOME. Home âº Fibromyalgia Medication âº Gabapentin For Fibro. Fibromyalgia sufferers deal with myriad symptoms, not the least of which is pain. It is a chronic disorder that is characterized by ongoing widespread muscle pain and tenderness, and is usually accompanied by fatigue, insomnia, depression and anxiety.
In the lower thigh/above the back of the knee, the sciatic nerve divides into two nerves, the  tibial and peroneal nerves, which innervate different parts of the lower leg: Peroneal nerves. The peroneal nerves travel laterally (sideways) along the outer part of the knee and down into the upper foot.
The sciatic nerve. The sciatic nerve begins in the lumbar (lower back) region of the spine, specifically at the L4 and L5 levels. The nerve exits the spinal canal through two openings in the sacral (pelvic) spine, extending through the length of the legs. The sciatic nerve is the widest nerve of all the millions in the body, and it is also the longest nerve, which means it innervates more areas than any other nerve. Since the sciatic nerve begins in the lower back, but travels all the way to the toes, sciatic nerve pain can extend to the following areas: