The pudendal nerve originates from the sacral plexus (S2-S4). It has both sensory and motor fibres.
The sensory pudendal nerve branches into 3 smaller nerves:
The motor branch of the nerve supplies the external anal sphincter, sphincter muscles of the bladder, and the muscles of the pelvic floor.
Pudendal neuralgia is irritation of the pudendal nerve. A common site for pudendal nerve irritation may be at the Alcock's Canal and/or at the obturator internus muscle. Pudendal neuralgia can occur in men and women.
Common Signs and symptoms of pudendal neuralgia may include the following: