Structures

  • Diaphragm

MuscleActionOriginInsertionInnervationBlood supply
Diaphragm- Increases volume of thorax during inspiration- Dorsal surface of xiphoid process
- Costal cartilages
- Lateral part of Ribs 6 and 7
- Lumbar vertebrae
- Central tendon of the diaphragm- Phrenic nerve: C3,4,5- Superior phrenic artery
- Inferior phrenic artery
- Musculophrenic artery
- Pericardiacophrenic artery