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trunk muscles
| Question | Answer |
|---|---|
| rectus abdominis-abdominal | flexes trunk/ moves body forward |
| external oblique-abdominal | rotates/twists trunk |
| internal oblique-abdominal | supports abdominal wall |
| transversus abdominus-abdominal | supports posture (belt) |
| intercostal-respiratory | between ribs/ moves up and down when breathing |
| diaphram-respiratory | primary breathing muscle |