Passenger Compartment Intrusion and Kids

The presence and degree of compartment intrusion (from crash investigation data) was correlated with the likelihood of serious injury in 880 children from age 0-15 years, and odds for presence of serious injury increased for each centimetre of compartment intrusion.

Passenger Compartment Intrusion as a Predictor of Significant Injury for Children in Motor Vehicle Crashes
J Trauma. 2009 Feb;66(2):504-7