Typical intercostal nerves -Supply only the intercostal space
- 1st and 2nd -Atypical
- 3,4,5,6-Typical intercostal nerves
- Lower 6 intercostal nerves supply abdomen also- so they are atypical
Movements in thorax
- Bucket handle movement- Change in transverse diameter
- Pump handle movement of sternum- Change in AP diameter
- Piston movement of diaphragm-Vertical diameter
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