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MBLEX
abdominal muscles
| Question | Answer |
|---|---|
| external oblique origin: | external surface of the 5th & 12th ribs |
| the 3 insertions of external oblique | anterior iliac crest, abdominal aponeurosis, linea alba |
| the 4 actions of external obliques | laterally flex vertebral column to same side, rotate vertebral column to opposite side, flex vertebral column, compress abdominal region |
| the 2 synergists of external oblique | rectus abdominis and opposite internal oblique |
| 2 antagonists of external oblique | extensors of the spine and opposite external oblique |
| 2 nerves of external oblique | thoracoabdominal and subcoastal |
| 3 origins of internal obliques | lateral inguinal ligaments, iliac crest, and thoracolumbar fascia |