Internal intercostal muscles

Intercostal muscles INMATES

SHORT DESCRIPTION

• They observed by removing external intercostals.
• Decienden fibers obliquely lower and posteriorly.

ORIGIN

• Medially to the external intercostal M., along the outer apex of costal groove.

INSERTION

• M. external intercostal medially along the top edge of the underlying rib.

OCUPA

• The intercostal part between the mid-axillary line and the lateral edge of the sternum.

INNERVATION :  Intercostal nerves Correspondents.

FUNCTION

• Expiration.

FACT 

• Among the intimate intercostal muscle and internal intercostal muscle, you are the intercostal neurovascular bundle.

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