In the WHIPS equipped seat, the entire backrest is designed to help protect the occupant's
neckin a case of a rear impact.
According to a Volvo engineer:
The seatback moves together with the occupant in a way that is similar to catching a ball gently, while the head restraint remains rigid to support the neck
WHIPS equipped seats have a piece of metal inside the backrest that absorbs energy in case of rear end collision, reclining the backrest a few centimeters. The metal piece should be replaced after the event [http://www.edmunds.com/ownership/safety/articles/105554/article.html] .
* [http://www.volvoclub.org.uk/press/releases/whiplash_protection_system.shtml Description and image of the system]
* [http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Search&db=PubMed&term=%22whips%22+%22volvo%22&tool=QuerySuggestion Scholarly articles] about WHIPS at
*FMVSS 202a "Dynamic Evaluation of the Volvo WHIPS Seat": [http://188.8.131.52/search?q=cache:ZN2b2Dwj2I0J:www.unece.org/trans/doc/2006/wp29grsp/HR-07-13e.pdf+%22whips%22+%22volvo%22&hl=es&gl=es&ct=clnk&cd=8 html] , [http://www.unece.org/trans/doc/2006/wp29grsp/HR-07-13e.pdf. pdf] .
* [http://www.iihs.org/searchresults.aspx?q=whips WHIPS query at] the
* [http://www.driveandstayalive.com/articles%20and%20topics/safety%20equipment/article_volvo-whips-whiplash-protection-system.htm Overall effectiveness report]
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