Intercostal muscles

Dr Sonam Vadera and Dr Henry Knipe et al.

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:

Anatomy: Thoracic
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Article information

rID: 26642
Section: Anatomy
Synonyms or Alternate Spellings:
  • Intercostal muscle
  • Intercostal muscle group

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Cases and figures

  • Figure 1: Intercostal space
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