Blunt trauma in pediatric population.
AARF- may occur spontaneously or in trauma- exam shows head rotated, tilted or unable to turn past midline
AOD- can be devastating injury or even fatal
Cervical injury 
Cervical fractures and dislocations
Maxillofacial trauma
Atlanto-occipital dissociation
Head trauma 
C1
Blast injury
Jefferson fracture