American crash-test dummies made ‘morbidly obese’ to reflect nation’s expanding waistlines

New dummies will reflect a 19-stone person with "more mass around the rear"

Jon Stone
Friday 31 October 2014 17:23
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Crash-test dummies made to test cars for American roads are being made larger and heavier in order to reflect the increasingly obese American body shape.

Humanetics, the only US producer of testing dummies, is rolling out a new version of the testing equipment modelled on a 19-stone (121kgs) person with a body mass index (BMI) of 35.

The US Government’s Centres for Disease Control (CDC) considers this body mass to be “morbidly obese”.

Old-style crash test dummies were modelled around a person with a healthy BMI who weighed around 12 stone (76kgs).

The manufacturer is making the change because seatbelts, airbags, and other safety features modelled to fit a slim person might not work properly for an obese person.

“Typically you want someone in a very tight position with their rear against the back of the seat and the seat belt tight to the pelvis,” Chris O' Connor, CEO of Humanetics, told American television channel ABC.

“An obese person has more mass around midsection and a larger rear which pushes them out of position. They sit further forward and the belt does not grasp the pelvis as easily”.

A 2010 study by the University of Buffalo analysed 150,000 car crashed in the US and determined that morbidly obese drivers are currently 56% more likely to suffer a fatal injury.

Over 70% of Americans are now overweight or obese, according to CDC figures, meaning that adapting safety equipment designs to suit larger bodies could have positive effects for most Americans.

“We need to find a way to make cars safer for everyone, regardless of size,” Mr O’Connor said.

The new dummies will begin testing by the end of this year.

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