Intercostal muscles

Last revised by Dr Sonam Vadera on 27 Aug 2019

The intercostal muscles are an important group of muscles in the intercostal spaces (between the ribs) that contract during respiration. Three muscles are classically described, from superficial to deep:

The following two muscles can also be considered part of this group:

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Cases and figures

  • Figure 1: Intercostal space
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