If a seat is too stiff, without enough 'give' to it so a person sinks into it during a crash, then the head restraint can move back and away from the head. This can lead to higher forces on the neck, and whiplash injury is more likely.
More Quotes from Adrian Lund:
It used to be that unless you were short you'd have trouble finding a vehicle with head restraints that extended high enough to protect you, ... Now automakers are making improvements so that in many vehicles even taller people can position the head restraints where they need to be to protect the neck from being injured in a rear-end crash.Adrian Lund
Now we will be able to focus more of our attention on our side impact test program and our rear impact test program as well as look at other areas where we can improve occupant protection.
Adrian Lund
Subaru was one of the manufacturers that last year asked us to delay side testing because of vehicle design changes that were in progress. It's not uncommon for us to grant such requests as long as the design changes will be made in production models within a reasonable time. The goal of our crash test program is to encourage these kinds of improvements to reduce injury risk in real-world crashes.
Adrian Lund
We think that the rear crash protection could be a little better, and there, we're looking at the risk of neck injury when you're hit in the rear, (say, if) you're stopped innocently at a traffic light and somebody bangs into you from behind.
Adrian Lund
However, the institute's evaluations show seats and head restraints in many models wouldn't do a good job of protecting most people in typical rear impact in everyday commuter traffic.
Adrian Lund
Look at the crash test ratings and go for a car that is rated 'good,' rather the one rated 'poor.'
Adrian Lund
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