To get science-y for a moment, the reason for this is two-fold: 1) - TopicsExpress



          

To get science-y for a moment, the reason for this is two-fold: 1) Children younger than age 4 have proportionally very large heads and very small neck muscles, so in a crash, their necks have a hard time controlling the movement of the head. This causes the spinal cord to be stretched and, in some cases, to tear. 2) Prior to ages 4-6, the spine is made mostly of cartilage, which is softer than bone and cannot withstand the forces of a crash, once again putting the spinal cord at risk. When children sit rear-facing, both of these become non-issues because the child’s head and spine are supported in the car seat.
Posted on: Tue, 09 Sep 2014 21:52:44 +0000

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