Summary
| Location: | In the abdomen, beneath the internal oblique muscles, with fibers running horizontally. |
Information
| Group: | Abdominals |
| Side(s) of body: | Front |
| Function/Action: | Abdominal Compressor, Trunk Stabiliser, Forced Expiration Assistor |
Details
| Joint: | Lumbar |
| Bone: | Lumbar Vertebrae |
| Origin: | Inguinal ligament, iliac crest, thoracolumbar fascia. |
| Insertion: | Linea alba and pubic crest. |