Transverse Abdominis

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Other Names Transverse Abs Heads Transverse Abdominis Movement Spine (Lumbar) Forced expiration pulls abdominal wall inward Compresses and supports abdominal viscera Assist in expulsion of abdominal organ contents as in urination, defecation, vomiting, and child birth Intra-abdominal pressure Attachments Origin Thoracolumbar Fascia (Lumbar Fascia) Ribs 6-12 (Lower 6 Ribs) Costal cartilages Inner surfaces Ilium Illiac Crest Inner rim Inguinal Ligament Lateral third Insertion Pubis Crest Ilippectineal line Abdominal Aponeurosis Linea Alba Related Muscles Rectus Abdominis Obliques Comments Also known as Transversus Abdominus. The Obliques and the Transversus Abdominis increase the intra-abdominal pressure necessary for the support of the vertebral column in exercises such as squats and deadlifts. With the assistance of the Rectus Abdominis and Obliques, the Tranverse Abdominis hold the abdomen flat.