Pelvic Diaphragm

Question 1

muscles that make up the pelvic walls

Answer 1

obturator internus
piriformis

Question 2

muscles that make up the pelvic floor

Answer 2

leveter ani
- puborectalis
- pubococcygoeus
- iliococcygeous
ishiococcygeous

Question 3

both pelvic spines

Answer 3

anterior superior iliac spine
anterior inferior iliac spine

Question 4

land mark medial to AIIS

Answer 4

ilipubis eminance

Question 5

what occurs at the iliopubis eminance

Answer 5

joining of ilium and pubis
where iliacus and psoas major pass over

Question 6

opening for urethra and vagina

Answer 6

urogenital hiatus

Question 7

opening for anus

Answer 7

anal hiatus

Question 8

what passes through the greater sciatic foramen

Answer 8

piriformus
sciatic nerve

Question 9

what passes through lesser sciatic foramen

Answer 9

obturator internus

Question 10

pelvic walls anterior to posterior

Answer 10

obturator internus -> fascia of obturator internus -> tendenous arch or levator ani -> piriformus

Question 11

insertion of piriformis

Answer 11

greater trochanter of the femur

Question 12

insertion of obturator internus

Answer 12

trochanteric fossa OR medial aspect of greater trochanter

Question 13

proximal attachments of levator ani

Answer 13

pubic bone
tendenous arch of facia surrinding obturator internus
ishial spine