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The levator ani is a broad, thin muscle group, situated on either side of the pelvis. It is formed from three muscle components: the pubococcygeus, the iliococcygeus, and the puborectalis. It is formed from three muscle components: the pubococcygeus, the iliococcygeus, and the puborectalis.
The fibers of the levator ani pass downward and backward to the middle line of the floor of the pelvis; the most posterior are inserted into the side of the last two segments of the coccyx; those placed more anteriorly unite with the muscle of the opposite side, in the anococcygeal body.
Torso, Pelvis, Levator ani: ischial spine, posterior part of tendinous arch of pelvic fascia: coccyx and anococcygeal raphe: inferior gluteal artery: levator ani nerve inferior rectal nerve from pudendal nerve (S3, S4) coccygeal plexus; supports organs in pelvic cavity: 2 1 pubococcygeus: Torso, Pelvis, Levator ani
The diaphragmatic part of the pelvic fascia covers both surfaces of the levatores ani. The inferior layer is known as the anal fascia . It is attached above to the obturator fascia along the line of origin of the Levator ani, while below it is continuous with the superior fascia of the urogenital diaphragm , and with the fascia on the sphincter ...
The anal fascia is the inferior layer of the diaphragmatic part of the pelvic fascia, which covers both surfaces of the levatores ani.It is attached above to the obturator fascia along the line of origin of the levator ani, while below it is continuous with the superior fascia of the urogenital diaphragm, and with the fascia on the sphincter ani internus.
Tendinous arch of levator ani This page was last edited on 30 December 2019, at 15:27 (UTC). Text is available under the Creative Commons ...
The external anal sphincter (or sphincter ani externus) is an oval tube of skeletal muscle fibers. [1] Distally, it is adherent to the skin surrounding the margin of the anus . [ 2 ] It exhibits a resting state of tonical contraction [ 1 ] and also contracts during the bulbospongiosus reflex .
Levator ani syndrome is a condition characterized by burning pain or tenesmus of the rectal or perineal area, [1] caused by spasm of the levator ani muscle. [ 2 ] [ 3 ] [ 4 ] The genesis of the syndrome is unknown; however, inflammation of the arcus tendon is a possible cause of levator ani syndrome.