Rectus abdominis muscle

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Rectus abdominis
Rectus abdominis.png
The human rectus abdominis muscle.
Origin Crest o pubis
Insertion costal cartilages o ribs 5-7 Xiphoid process o sternum.
Artery inferior epigastric artery
Nerve segmentally bi thoraco-abdominal nerves (T7 to T11) an subcostal (T12)
Actions Flexion o the lumbar spine
Antagonist Erector spinae
Laitin musculus rectus abdominis
TA A04.5.01.001
FMA 9628
Anatomical terms o muscle

The rectus abdominis muscle, an aa kent as the "abdominals" or "abs", is a paired muscle runnin vertically on ilk side o the anterior waw o the human abdomen, as weel as that o some ither mammals.