The effect of lower abdominal and pelvic gynecological surgery on the pyramidalis muscle and its function

Amatalkareem Ali Homad Al-Hoori1 FadI Mansour Al Wousabi2 Saeed Mohammad Ahmad Thabet3

1+2 Assistant Professor of Obstetrics & Gynecology Faculty of medicine, Sana’a University, Yemen
3Professor of Obstetrics & Gynecology, Faculty of Medicine, Cairo University, Egypt.

Introduction:

The Pyramidalis muscle is studied by many authors and different descriptions and suggestion were given by many of them 1&2 .But, generally this muscle is considered non-significant lower abdominal muscle. It is a small and triangular muscle, anterior to the rectus abdominis, and contained in the rectus sheath. Inferiorly, it attaches to the pubic symphysis and pubic crest, arising by tendinous fibers from the anterior part of the pubis and the anterior pubic ligament. Superiorly, the fleshy portion of the

muscle passes upward, diminishing in size as it ascends, and ends by a pointed extremity which is inserted into the linea alba, midway between the umbilicus and pubis. The precise function of Pyramidalis muscle is unclear, but together the muscles are thought to tense the linea alba3. It may play certain part in the enforcement of the lower abdominal wall and
may also play certain part in normal sexuality.
The variations recorded for this muscle and for the rectus muscles also were recorded by many authors4&5. It may

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An Academic Biannual Refereed Journal, Published by Sana'a University

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