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Transverse Abdominis Muscle

In this article we will discuss about the Transverse Abdominis Muscle. So, let’s get started.

Transverse Abdominis Muscle

It originates from the lateral third of the inguinal ligament, anterior three-fourths of the inner lip of iliac crest, inner surface of the coastal cartilage of lower six ribs and from thoracolumbar fascia and gets inserted into the pubic crest and pectineal line forming the inguinal conjoint tendon together with internal oblique muscle. It also has insertion in the linea alba. It is innervated by the Thoraco-abdominal nerves, subcostal nerve, iliohypogastric nerve, and ilioinguinal nerve and blood supply is through the subcostal artery. It’s chief action is compression of ribs and viscera providing thoracic and pelvic stability. It also helps during childbirth.

Pic courtesy:- www.yoganatomy.com

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