|Gray's||subject #117 403|
|Origin:||inner surface of one rib|
|Insertion:||inner surface of the second or third rib above, near its angle|
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 above, near its angle.
Their fibers run in the same direction as those of the Intercostales interni.
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