click below
click below
Normal Size Small Size show me how
IOAN
Muscles of the Respiratory system
| Muscles | Origin | Insertion | Action | Innervation |
|---|---|---|---|---|
| Diaphragm | Xiphoid Process, Ribs and Lumbar Vertebrae | Central Tendon | inspiration | Phrenic Nerve |
| Internal Intercostals | Rib Below | Rib Above | Depress ribs in expiration | Intercostal nerve (T2 through T6) |
| External intercostals | Ribs Above | Rib Below | Elevates ribs in inspiration | Intercostal nerve (T2-T6) |