Identify the muscles that act on the pelvic floor in the figure below:
Elevators ani muscle
Ischiocavernosus muscle
Bulbocavernosus muscle
Transverse perineal muscle
Elevators ani muscle: supports the pelvic floor and is innervated by the pudendal nerve.
Ischiocavernosus muscle: compresses the base of the penis or clitoris and is innervated by the perineal nerves.
Bulbocavernosus muscle: compresses the urethra and is innervated by the pudendal nerve.
Transverse perineal muscle: supports the pelvic floor and is innervated by the pudendal nerve.