Subcostalis muscle
| Subcostalis muscle | |
|---|---|
| Details | |
| Latin | musculus subcostalis |
| Origin | inner surface of one rib |
| Insertion | inner surface of the second or third rib below, near its angle |
| intercostal nerves | |
| Actions | depresses ribs. |
| Identifiers | |
| Dorlands /Elsevier |
m_22/12551003 |
| TA | Lua error in Module:Wikidata at line 744: attempt to index field 'wikibase' (a nil value). |
| TH | {{#property:P1694}} |
| TE | {{#property:P1693}} |
| FMA | {{#property:P1402}} |
| Anatomical terms of muscle
[[[d:Lua error in Module:Wikidata at line 863: attempt to index field 'wikibase' (a nil value).|edit on Wikidata]]]
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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.
Their fibers run in the same direction as those of the Intercostales interni.
The function of this muscle is unknown, but it is part of the innermost intercostal muscle group along with the transversus thoracis muscle which is known to be a synergist in aiding the internal intercostal muscles with forced exhalation.
References
This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)
External links
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