Suspect vascular damage to cord, if discrepancy between neuro deficit and level of spinal column injury
Spinal cord injury is more likely if anterior (vertebral bodies) AND posterior (spinal canal) columns are disrupted
Blunt neck trauma
Penetrating neck trauma
Dental avulsion
Vertebral and carotid artery dissection
Head trauma 
Strangulation
Maxillofacial trauma
Whiplash injury