Pelvic Floor Innervation

American journal of obstetrics and gynecology 2002.
Pelvic floor innervation. The main focus of this article will be the pelvic floor muscles on that topic there are several important questions that need to be answered. To support the abdominal and pelvic viscera. 4 the superficial perineal pouch is the most superficial of the layers and is made up of the bulbospongiosus ischiocavernosus superficial transverse perineal and external anal sphincter. The pelvic floor is a funnel shaped structure.
The pelvic floor is innervated from the superior side by branches from sacral nerves s3 s4. The pelvic floor is a dome shaped muscular sheet separating the pelvic cavity above from the perineal region below. The pelvic floor muscles are comprised of 3 layers and have a complex relationship with the surrounding bony pelvis fascia ligaments and nerves. This cavity encloses the pelvic viscera bladder intestines and uterus in females.
It attaches to the walls of the lesser pelvis separating the pelvic cavity from the perineum inferiorly region which includes the genitalia and anus. No contribution of the pudendal nerve to the pelvic floor innervation can be demonstrated. It is a basin shaped muscular diaphragm that helps to support the visceral contents of the pelvis. The main function of the pelvic floor muscles are.
The pelvic floor overview and function.