1.0Glossaryhttps://www.healthbenefitstimes.com/glossaryGlossaryhttps://www.healthbenefitstimes.com/glossary/author/adminglossary/Pectoralis major - Definition of Pectoralis majorrich600338<blockquote class="wp-embedded-content" data-secret="fb8prmhqyb"><a href="https://www.healthbenefitstimes.com/glossary/pectoralis-major/">Pectoralis major</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.healthbenefitstimes.com/glossary/pectoralis-major/embed/#?secret=fb8prmhqyb" width="600" height="338" title="“Pectoralis major” — Glossary" data-secret="fb8prmhqyb" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script>
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A large chest muscle which pulls the arm forward or rotates it.A large triangular muscle that extends from the sternum to the humerus and functions to flex, horizontally adduct, and internally rotate the arm, and aids in chest expansion when the upper extremities are stabilized.Muscles of the chest that assist the swinging movements of the arm.