what is abdominal aponeurosis?


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The Aponeurosis

The centre line of the abdominals in front, going from the xiphoid process (see sternum) down to the pubic bone, passes through your navel. In individuals with athletic builds, this line - the linea alba can be seen and felt clearly. It is the centre of the abdominal aponeurosis which is a sheet of tendon that the muscles of the front of the abdomen are attached to one another and the skeleton. From the linea alba, the aponeurosis splits into two layers, one deep, the other superficial, making what I like to imagine is a "muscle sandwich" of the rectus abdominis. This is called its "sheath". Beyond the rectus abdominis, there is another band of aponeurosis, the linea semilunaris, which separates the rectus abdominis from the external and internal obliques. As there are two layers to these muscles, the aponeurosis sheaths these as well by dividing into three here, and attaches at the ribs. At the bottom of the abdomen, the aponeurosis forms the inguinal ligament which joins the hip crest to the pubic bone.

http://www.yorku.ca/earmstro/journey/abdominals.html

Other Answers:
it is a sheet of collagen tissue that is normally present in the abdomen that binds the two recti muscles.




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