The levator ani muscle is

Levator ani muscle is not attached to the pelvic brim. It takes its origin from the body of the pubis , the arcus tendinous of the levator ani ( a thickened part of the obturator fascia) , and the ischial spine.

• Insertion:- the coccyx and the anococcygeal Raphe or ligament.

• Nerve supply:- The branches of the anterior Rami of sacral nerves S3 and S4 and the prineal branch of the pudendal nerve .
• Supports and raises the pelvic floor.

• Consists of the puborectalis , pubococcygeus, and iliococcygeus .