Which of the following are true regarding levator ani EXCEPT?
High-Yield Explanation
Levator ani: Two levator ani muscles originate from each side of pelvic wall, course medially, inferiorly & join together in midline Levator ani muscle include 3 collections of muscle fibers- Pubococcygeus + Puborectalis + Iliococcygeus muscle Levator ani muscles help suppo pelvic viscera & maintain closure of rectum & vagina, maintain angle b/w rectum & anal canal. They are innervated by branches from anterior ramus of S4 and by branches of pudendal nerve (S2 to S4) It is attached to pubis & obturator fascia. Levator ani + ischio-coccygeus form - pelvis