This is the print version of this page. All content is copyright Indezine.com 2000-2019.
Download this template, plus more (25 in all)
Intercostal Muscle Small (internal intercostal muscles) are responsible for the depression of the ribs decreasing the transverse dimensions of the thoracic cavity. They aid in forced expiration (quiet expiration is a passive process) and originate on ribs 2-12 and have their insertions on ribs 1-11.
Microsoft and the Office logo are trademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries.