Muscles of the Pelvic Diphragm

Question 1

Levator Ani

Answer 1

supports and maintains position of pelvic viscera
iliococcygeus
pubococcygeus

Question 2

iliococcygeus

Answer 2

tenses floor of pelvis, suppors pelvic organs, flexes coccygeal joints, elevates and retracts the anus

Question 3

pubococcygeus

Answer 3

tenses floor of pelvis, supports pelvic organs, flexes coccygeal joints, elevates and retracts the anus (same as iliococcygeus)

Question 4

coccygeus

Answer 4

flexes coccygeal joints, elevates and supports pelvic floor

Question 5

external anal sphincter

Answer 5

closes anal opening