Summary
| Location: | In the abdomen, beneath the external oblique muscles, with fibers running in the opposite direction. |
Information
| Group: | Abdominals |
| Subgroup: | Obliques |
| Side(s) of body: | Front, Back |
| Function/Action: | Trunk Flexor, Trunk Rotator, Abdominal Compressor, Forced Expiration Assistor |
Details
| Joint: | Thoracic, Lumbar |
| Bone: | Thoracic Vertebrae, Lumbar Vertebrae |
| Origin: | Lumbodorsal fascia, iliac crest, and inguinal ligament. |
| Insertion: | Linea alba, pubic crest, and lower ribs. |