Pelvic Floor

Question 1

Psoas minor (insertion)

Answer 1

superior ramus of pubis

Question 2

Psoas minor (origin)

Answer 2

T12 and L1

Question 3

Psoas minor (action)

Answer 3

posterior pelvic tilt

Question 4

Psoas minor (innervation)

Answer 4

sacral nerves 4 and 5

Question 5

Psoas minor (blood supply)

Answer 5

lumbar arteries

Question 6

Ischio-coccygeus (origin)

Answer 6

ischial spine

Question 7

Ischio-coccygeus (insertion)

Answer 7

lower sacrum and upper coccyx

Question 8

Ischio-coccygeus (action)

Answer 8

pulls coccyx anteriorly, supports pelvic viscera

Question 9

Ischio-coccygeus (innervation)

Answer 9

sacral nerves 4-5

Question 10

Ischio-coccygeus (blood supply)

Answer 10

inferior visceral artery, inferior gluteal artery, and internal pudendal artery

Question 11

Levator ani (origin)

Answer 11

pubis, ischial spine, fascia between the two

Question 12

Levator ani (insertion)

Answer 12

coccyx, midline around pelvic organs

Question 13

Levator ani (action)

Answer 13

support of pelvic viscera, pulls anal canal upward

Question 14

Levator ani (innervation)

Answer 14

sacral nerves 3-4

Question 15

Levator ani (blood supply)

Answer 15

inferior gluteal artery, pudendal artery