The intercostal nerves rise from the spinal cord, below the ribs. Intercostal neuralgia is burning, sharp pain that is generally felt around the ribs, chest, and back.
The ilioinguinal nerve runs from your lower back through your hips and into your groin, and down the upper thighs. Damage to this nerve is often caused by hernia surgery.
The pudendal nerve is one of the pain nerves in the pelvis, supplying feeling to the lower buttocks, rectum, and genitals.