The common peroneal nerve is a nerve in the lower extremity below the knee which is a branch of the sciatic nerve that originates to the spine.

The superficial peroneal nerve branches off from the sciatic nerve, or the common peroneal nerve, which ultimately winds around the head of the fibula, or shinbone, near the knee.

What to Do If You Have Sciatic Nerve Pain. Sciatica takes time to heal and requires rest. Discomfort is common, but severe pain is not. If the pain is excruciating, certain over-the-counter (OTC ...