Internal intercostal muscles ( lat. Musculi intercostales interni ) - deep chest muscles.
| Internal intercostal muscles | |
|---|---|
| lat Musculi intercostales interni | |
 Internal intercostal muscles are shown on the left. | |
| Start | top edges of ribs |
| Attachment | bottom edges of ribs |
| Blood supply | aa. intercostales posteriores, thoracica interna, musculophrenica |
| Innervation | nn. intercostales (Th I —Th IX ) |
| Function | involved in the act of breathing |
| Antagonist | |
| Catalogs | |
| |
They start from the upper edges of the ribs, then go up and forward. Attached on the lower edges of the overlying ribs, inward from the groove of the rib. Internal intercostal muscles are located in the anterior intercostal spaces, in the rear they are replaced by internal intercostal membranes ( lat. Membranae intercostales internae ) [2] .
Function
Participate in the act of calm exhalation [3] .
Notes
- ↑ 1 2 Foundational Model of Anatomy
- ↑ R. D. Sinelnikov, Y. R. Sinelnikov. Muscles and fascia of the neck // Atlas of human anatomy. - 2nd. - M .: Medicine, 1996. - T. 1. - P. 211. - 344 p. - 10,000 copies. - ISBN 5-225-02721-0 .
- ↑ M.G. Pryves, N.K. Lysenkov, V.I. Bushkovich. Muscles and fascia of the neck // Human anatomy. - 11th edition. - SPb. : Hippocrates, 1998 .-- S. 169-170. - 704 s. - ISBN 5-8232-0192-3 .