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The subcostales (singular: subcostalis) (Infracostales) consist of muscular and aponeurotic fasciculi, which are usually well-developed only in the lower part of the thorax; each originates from the inner surface of one rib, and is inserted into the inner surface of the second or third rib below, near its angle.
| Subcostalis muscle | |
|---|---|
| Details | |
| Origin | Inner surface of one rib |
| Insertion | Inner surface of the second or third rib below, near its angle |
| Nerve | Intercostal nerves |
| Actions | Depress ribs |
| Identifiers | |
| Latin | musculus subcostalis |
| TA98 | A04.4.01.015 |
| TA2 | 2314 |
| FMA | 71315 |
| Anatomical terms of muscle | |
Their fibers run in the same direction as those of the intercostales interni.
Depresses the ribs to assist in expiration.
This article incorporates text in the public domain from page 403 of the 20th edition of Gray's Anatomy (1918)
 | This muscle article is a stub. You can help Wikipedia by expanding it. |
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