Any disease or injury that damages the spinal cord between the first and fifth cervical segments also paralyzes the phrenic nerve and,therefore,the diaphragm.

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The phrenic nerve, which controls the diaphragm, arises from the C3-C5 cervical segments of the spinal cord. Therefore, any damage to the spinal cord between the first and fifth cervical segments would result in paralysis of the phrenic nerve and diaphragm.

Any Disease or Injury That Damages the Spinal Cord Between