Transverse abdominal muscle

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Transverse abdominal muscle
Muscles of the trunk.
The transversus abdominis, rectus abdominis, and pyramidalis.
Details
Origin	Iliac crest, inguinal ligament, thoracolumbar fascia, and costal cartilages 7-12
Insertion	Xiphoid process, linea alba, pubic crest and pecten pubis via conjoint tendon
Artery	Subcostal arteries
Nerve	Thoracoabdominal nn. (T6-T11), Subcostal n. (T12), iliohypogastric nerve (L1), and ilioinguinal nerve (L1)
Actions	Compresses abdominal contents
Identifiers
Latin	musculus transversus abdominis
TA98	A04.5.01.019
TA2	2375
FMA	15570
Anatomical terms of muscle [edit on Wikidata]

The transverse abdominal muscle (TVA), also known as the transverse abdominis, transversalis muscle and transversus abdominis muscle, is a muscle layer of the anterior and lateral (front and side) abdominal wall , deep to (layered below) the internal oblique muscle. It is thought by most fitness instructors to be a significant component of the core.