The pelvic floor Flashcards
Name the two triangles that form the pelvis floor?
Urogenital and anal
What is the name of the two transverse perineal muscles?
Deep and superficial
What are the two muscles that run around the sides of the vulva?
Ischiocavernosus and bulbospongiosus
What is the full name of the two sphincters?
External urethral sphincter and external anal sphincter
What is the name of the structure that runs from the pubis to the rectum?
Puborectalis
What are the three muscles that make up the levator ani?
Puborectalis, pubococcygeus and iliococcygeus
What is the muscle that moves the coccyx forward and back?
Coccygeus
What is the name of the central tendon of the pelvic floor?
Perineal body
What hormone gives the pelvic floor more elasticity in pregnancy?
Relaxin
Which hormone smooths the muscle tone?
Progesterone
What happens to the head of the fetus when it hits the pelvic floor?
It rotates (towards the symphysis pubis)
Which three muscles distend to minimise perineal trauma?
Pubococcygeus, puborectalis and the bulbospongiosus
