Levator Ani Muscle - Origin, Insertion & Function - Human Anatomy | Kenhub

This video covers the anatomy of the levator ani muscle, its parts, origins, insertions, innervation and functions. Read more about the levator ani in our free article on https://khub.me/t27jt

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The levator ani muscle forms the main part of the pelvic diaphragm, the cranial layer of the pelvic floor. It is made up by three muscles: the puborectalis, pubococcygeus and iliococcygeus muscles.

The function of the levator ani is the stabilization of the abdominal and pelvic organs, controlling the opening and closing of the levator hiatus, as well as preserving urinary and bowel continence. The levator hiatus is a potential weak spot of the pelvic floor musculature, especially in women. Increased intra-abdominal pressure (e.g. pregnancy, obesity or even chronic cough) can impair and damage the pelvic floor in the long term.

In this video we will go over the different components of the levator ani, their origins and insertions, innervation and functions.

- 0:13 levator ani muscle location
- 0:26 puborectalis muscle
- 0:45 pubococcygeus muscle
- 1:01 iliococcygeus muscle
- 1:14 levator hiatus
- 1:41 innervation of levator ani
- 1:54 levator ani muscle function

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