The nerve supply to the intercostal muscles is from the intercostal nerves, T1 – 11.

Question: What are the effects of intercostal nerve blocks on respiration?

Answer

The nerve supply to the intercostal muscles is from the intercostal nerves, T1 – 11.

Question: What are the effects of intercostal nerve blocks on respiration?

Answer: Intercostal nerve blocks, or spinal or epidural anaesthesia for abdominal surgery (T4), do not affect respiration significantly, as the diaphragm is the more important muscle of respiration.