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Ribs and Sternum - Anatomy & Physiology (view source)
Revision as of 14:08, 4 August 2008
, 14:08, 4 August 2008→Thoracic Musculature
=Thoracic Musculature=
=Thoracic Musculature=
[[Image: Cat diaphragm.jpg|thumb|right|150px|Cat diaphragm- Copyright Uwe Gille]]
*Primarily concerned with respiration
*Primarily concerned with respiration
**Inspiratory muscles enlarge the thoracic cavity
**Inspiratory muscles enlarge the thoracic cavity
**Expiratory muscles diminish the cavity and force air out
**Expiratory muscles diminish the cavity and force air out
*The most important thoracic muscle is the '''''Diaphragm''''', which separates the thoracic and abdominal cavities
*The most important thoracic muscle is the '''''Diaphragm''''', which separates the thoracic and abdominal cavities
*''Intercostal muscles''
*''Intercostal muscles''
**Dome-shaped, convex on its cranial surface
**Dome-shaped, convex on its cranial surface