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m. obliquus externus abdominis
m. obliquus externus abdominis
Origin: Last few ribs and thoracolumbar fascia
Insertion: Linea alba, brim of pelvis, tuber coxae
Function: Compress viscera and maintain abdominal cavity
m. obliquus internus abdominis
m. obliquus internus abdominis
Origin: Tuber coxae and transverse process of lumbar vertebrae
Insertion: Linea alba, caudal ribs, brim of pelvis
Function: Compress viscera and maintain abdominal cavity
transversus abdonimis
transversus abdonimis
Origin: Deep thoracolumbar fascia, caudal ribs, lumbar vertebrae
Insertion: Linea alba
Function: Compress viscera
rectus abdominis
rectus abdominis
Origin: Costal cartilages and sternum
Insertion: Pubis via the pre-pubic tendon
Function: Compress viscera and flex spine
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