Muscles and walls of the pelvic cavity

Question 1

Which muscles make up the lateral wall of the pelvic cavity ?

Answer 1

Piriformis Obturator internus

Question 2

What muscles make up the posterior wall of the pelvic cavity?

Answer 2

Levator ani muscles Coccygeus

Question 3

Levator ani muscles?

Answer 3

Puborectalis Pubococcygeus Iliococcygeus

Question 4

what are the functions of the pelvic floor

Answer 4

• Supports the viscere and stops them from being pushed through pelvis • Prevents urinary/fecal incontinence • Resistance to increase the intra-abdominal pressure

Question 5

what is the pelvic floor also known as?

Answer 5

Pelvic diaphragm

Question 6

Innervation of the pelvic floor

Answer 6

-S2-S4= Levator ani muscles -S4-S5= Coccygeus

Question 7

Perineal and anococcygeal bodies function?

Answer 7

• Irregular fibromuscular mass • At junction of the urogenital and anal triangles • It acts as a point of attachment for muscle fibres from the pelvic floor and the perineum

Question 8

What is a cystocele and rectocele?

Answer 8

Cystocele: Prolapsed bladder Rectocele: Prolapsed Rectum

Question 9

Main pelvic viscera of the urinary system?

Answer 9

Ureters Urinary bladder Urethra

Question 10

Main reproductive system viscera in males and females?

Answer 10

Males: -prostate -seminal glands -ductus deferens -ejaculatory duct Females: -Vagina -Uterus -Ovaries -Fallopian tubes

Question 11

The levator ani muscles

Answer 11

Question 12

Where are the bulbocavernosum and the ischiocavernosum muscles?

Answer 12

• Exterior to the levator ani
• Just underneath the labia majora

Question 14

Perineal bodiesn

Answer 14