https://pubmed.ncbi.nlm.nih.gov/27832610/?dopt=Abstract
Diaphragm electromyographic activity following unilateral midcervical contusion injury in rats
The present study shows that unilateral contusion injury at C4 results in substantial loss of phrenic motoneurons but increased diaphragm muscle activity...
diaphragmactivityfollowingunilateralcontusion