This article relies largely or entirely on a single source. (March 2021) |
Intercostal muscles | |
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Details | |
Origin | Ribs 1–11 |
Insertion | Ribs 2–12 |
Artery | Intercostal arteries |
Nerve | Intercostal nerves |
Actions | Elevation or depression of the ribs |
Identifiers | |
Latin | musculi intercostales |
MeSH | D007366 |
FMA | 13354 |
Anatomical terms of muscle |
The intercostal muscles comprise many different groups of muscles that run between the ribs, and help form and move the chest wall. The intercostal muscles are mainly involved in the mechanical aspect of breathing by helping expand and shrink the size of the chest cavity.[1]