internal oblique opposes the external oblique
External Oblique
External Oblique.
run at an oblique angle to vertical direction of the spine.
External 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.
External Oblique Internal Oblique Transversus Abdominis REctus Abdominis
There are 4 muscles that make up your abdominal muscle anatomy: rectus abdominis, external oblique, internal oblique, and transverse abdominis.
I believe it is the external oblique
1. skin 2. subcutaneous layer 3. camper's fascia 4. scarpa's fascia 5. external oblique muscle 6. internal oblique muscle 7. transversus abdominis muscle 8. transversalis fascia 9. parietal peritoneum 10. aponeurosis of transversalis fascia
The cat's muscle fibers run perpendicular to its internal oblique muscles. The fibers of the external oblique muscles run opposite of the muscles.