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From Wikipedia, the free encyclopedia
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 which is deep to (layered below) the internal oblique muscle. It is thought by most fitness instructors to be a significant component of the core.
Quick Facts Transverse abdominal muscle, Details ...
Transverse abdominal muscle | |
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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 |
Anatomical terms of muscle |
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