Which Muscles Are Affected by a C4 Spinal Cord Injury?
In the realm of spinal cord injuries, C4 represents a critical juncture. Injuries above this level cause paralysis of the diaphragm muscle, making breathing possible only with the assistance of a mechanical ventilator. Injuries at or below C4 preserve the ability to breathe independently. Movement of the head and neck is preserved, while paralysis of the body and legs will occur in patterns reflecting the extent of injury.
