External intercostal muscles
The external intercostal muscles, or external intercostals (Intercostales externi) are eleven in number on both sides.
| External intercostal muscles | |
|---|---|
Position of the external intercostal muscles (shown in red) seen from the back. | |
| Details | |
| Origin | Lower border of ribs |
| Insertion | Upper border of rib below |
| Artery | intercostal arteries |
| Nerve | intercostal nerves |
| Actions | Inhalation |
| Antagonist | intercostales interni muscles |
| Identifiers | |
| Latin | musculi intercostales externi |
| TA98 | A04.4.01.012 |
| TA2 | 2311 |
| FMA | 74084 |
| Anatomical terms of muscle | |
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