Britax crash text video question...

abbi_n_nadia

New member
So I was watching the video on Britax website about their new convertible seats and they show a crash test of "other carseats" and then their seats.

They make it look like their seat dosn't budge at. all. during the crash ("steel bars prevent forward flexing") so the childs shoulders are held back and their head still flings forward and bends all the way down touching the chest! Seems like that would put more pressure on the neck? :confused: Whereas the other seat gives a little and lets the whole upper body kind of roll forward?

Just wondering if thats really better...?
 
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wendytthomas

Admin - CPST Instructor
Staff member
We don't know. We don't know what injuries that child sustained versus another seat.

However, that's the big argument against forward facing harnesses in Sweden and Norway. That's why they go from rear facing to booster. They feel it's better to have the head and shoulder(s) move forward as a unit, putting stress on the upper back more than at the neck.

Wendy
 

joolsplus3

Admin - CPS Technician
There's still head AND shoulder movement, though, it's not the same as a NASCAR harness or a child harness that's attached directly to the frame of the car and allows the head to fly too far forward while the body is held in way tight. LATCH belts stretch, harnesses stretch, top tethers stretch (particularly with a Britax tether or Radian with a Safestop that rip out on purpose)
The real risk in a crash is too much head excursion, when the head strikes something else in the car (seatback, door, etc), so seat makers are really in a bind trying to find the best way to reduce HE while increasing ride down time (the time it takes to come to a stop...the longer you take to stop, the less likely you are to be injured). The Radian also has very low HE numbers, I wonder if we could find both Britax and Radian videos side by side to compare...
I'd believe the Swedes had a point if any of their untranslated research showed up in English and our kids started suffering greater neck injury in FF seats, now that bigger harnessed seats have been out for 10 years :twocents:
 

Pixels

New member
That video is misleading at best. In the "typical" car seat, do you see how the bottom of the seat moves forward? All seats do that as the webbing (LATCH or seatbelt) stretches. In the Britax video section, their seat doesn't appear to move at the bottom. Trust me, it does, they just edited the video so it doesn't look like it.
 

abbi_n_nadia

New member
Thank you for the replies! I may have more questions but I need to think on it some more so I don't sound too stupid! :p I'm way too tired to think tonight!
 

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