Muscles and Walls of the Pelvic Cavity Flashcards
What makes up the anterior inferior wall of the pelvic cavity?
Bodies and rami of pubic bones and pubic symphysis
Which structures occupy the lateral pelvic wall?
Obturator internus muscles
What muscle is present in the posterior wall of the pelvis?
Piriformis
What nerve network lies on piriformis?
The sacral plexus
What are the functions of the pelvic floor muscles?
Support abdominopelvic viscera Urinary and fecal continence Resistance to increase of intra-abdominal/pelvic pressure
What are the perineal and anococcygeal bodies?
Ligaments
What are the major parts of the pelvic floor muscles?
Levator ani Coccygeus
What innervates the pelvic floor?
Sacral plexus
What is a cystoceole?
A prolapse of the upper anterior vaginal wall involving the bladder
What is a rectocoele?
A prolapse of the lower posterior wall of the vagina involving the rectum bulging forwards into the vagina
What are the levator ani muscles?
Pubococcygeus
Puborectalis
Iliococcygeus
