True about Levator Ani except -
(A) Converge downwards & medially (B) Suppos viscera (C) Made up of iliococcygeus & pubococcygeus (D) Attached to pelvic brim
(D) Ans. D. Attached to pelvic brimThe levator ani is made up of three pas:Iliococcygeus musclePubococcygeus musclePuborectalis muscleOrigin & Inseion:The levator ani arises, in front, from the posterior surface of the superior pubic ramus lateral to the symphysis behind, from the inner surface of the spine of the ischium and between these two points, from the obturator fascia.The fibers pass downward and backward to the middle line of the floor of the pelvis The most posterior are inseed into the side of the last two segments of the coccyx; those placed more anteriorly unite with the muscle of the opposite side, in a median fibrous ridge called the anococcygeal body or raphe, which extends between the coccyx and the margin of the anus.Action: Suppos the viscera in pelvic cavity