![M. Obliquus Abdominis Externus outer oblique abdominal muscle](/fileadmin/_processed_/b/c/csm_obliquus_abdominis_externus_aecc38d512.jpg)
M. Obliquus Abdominis Externus
Origin
5. to 12. Rip
Projection
Linea alba, Lig. inguinale, Crista iliaca, Tuberculum pubicum
Function
Flexion an rotation of the trunk , Exspiration
Innervation
Nervi intercostales (Th5 – 11), Nervus subcostalis
Origin
5. to 12. Rip
Projection
Linea alba, Lig. inguinale, Crista iliaca, Tuberculum pubicum
Function
Flexion an rotation of the trunk , Exspiration
Innervation
Nervi intercostales (Th5 – 11), Nervus subcostalis