248875 thorax
- 5. - Thoracic - deep Diaphragm ribs + lumbar vert./central tendon inhalation, increases volume of the thoracic cavity External intercostals adjacent ribs elevates rib cage in inhalation Internal intercostals adjacent ribs depresses rib cage Pectoralis minor ribs #3-5 /coracoid of scapula moves scapula anteriorly, elevates rib cage