The bio mechanical model of whiplash promotes the orthodoxy that relative motions of head and torso, if eliminated, would eliminate whiplash neck injury. The novel device reported here would reduce relative motion, but its effect on claims would need to be validated.
AF Tencer et al. Spine. November (2001) Vol. 26 #22 p 2432.
A study of the relative motions of head and torso during rear end collision and the effectiveness of a head restraint air bag.
New head restraint air bag was closer to the head, and absorbed some of the shock. Test speeds were below 10 kph.
Relative motion was reduced.
If relative acceleration is important in causing injury at these speeds the new device would seem to offer some protection.
Other studies have shown that even when torso and head are strapped firmly to the same rigid board, a rear end impact results in some deformation of neck alignment.