The external abdominal obliques are on both sides of your torso. They run diagonally from external surfaces of ribs 5-12 (origin) to the anterior illiac crest and abdominal aponeurosis (insertion).
run at an oblique angle to vertical direction of the spine.
The cat's muscle fibers run perpendicular to its internal oblique muscles. The fibers of the external oblique muscles run opposite of the muscles.
internal oblique opposes the external oblique
External Oblique
External Oblique.
Oblique
External Oblique
Oblique fibers
oblique
-external oblique -internal oblique -transversus abdominis -rectus abdominis
External Oblique
The external oblique muscles are situated on each side of the rectus abdominus. This muscle allows the trunks to be twisted or rotated.