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Subcostales
Region: Chest Muscles · All chest muscles
Subcostales at a glance
| Origin | Inner surface of the lower ribs near their angles |
|---|---|
| Insertion | Inner surface of the second or third rib below |
| Actions | Depress the lower ribs slightly in breathing out |
| Nerve supply | Intercostal nerves |
More Chest Muscles
Please note: This page is an anatomy education summary for students and curious readers, not medical advice. Attachment points are given in their classic short form; individual anatomy varies, and detailed dissection-level descriptions belong in an anatomy atlas.