Human Anatomy - Kotsan I. Y. 2009

Respiratory muscles and types of breathing
Muscles of expiration

The Muscles involved in the act of exhalation include the following:

1) rectus abdominis;

2) internal and external intercostal muscles;

3) subcostal muscles;

4) transversus thoracis Muscle;

5) quadratus lumborum muscle;

6) iliocostalis muscle;

7) serratus posterior inferior muscle

These muscles are also described in the topic "Muscles of the Trunk".



Last update: 08/08/2026

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