Neck injuries among vehicle drivers as a result of being rear-ended remain a major problem for victims and cost insurance companies and society huge sums. Bertil Jonsson's dissertation shows that women run three times the risk of incurring debilitating neck injuries compared with men. For both women and men, the findings show that the driver's seat entails twice the risk compared with the front passenger seat.
The dissertation elucidates differences in the sitting position between women and men in the various seats of a car that can provide a partial explanation of the risk differentials observed. Women drivers adjust the driver seat differently than male drivers do: women sit higher and closer to the steering wheel and have the seat back more upright.
Men have a greater distance between the back of their head and the neck support (so-called backset) compared with women, both when the car is stationary and when driving. If the driver holds his/her hands on the upper part of the steering wheel, the backset distance also increases to the head support compared with the passenger position. High backset values are a known risk factor for neck injuries in rear-end collisions.
The scope of the neck to move in a horizontal backward direction (so-called retraction) is different between the sexes, but it is also affected by sitting position. A slouched posture entails a greater distance to the head support and also reduces the scope for free movement backward (retraction). When this scope is exceeded, injuries probably occur.
Current crash dummies used to develop vehicle seats and neck supports, for instance, are geared to men of normal size, but not to women. This is especially true in regard to height. Nor does testing methodology take into consideration differences between the sexes, or differences in sitting position between the driver's seat and the front passenger seat.
The dissertation shows that further research is needed regarding sitting position and the risk of injury. Test methods need to be developed for rear-end collisions, as well as a female crash dummy. The findings provide a foundation for the development of new test methods and protective systems in future vehicles that could reduce the risk of neck injury in rear-end collisions.
Pressofficer Bertil Born; +46-703886058; email@example.com.
Bertil Born | idw
The genes are not to blame
20.07.2018 | Technische Universität München
Targeting headaches and tumors with nano-submarines
20.07.2018 | Universitätsmedizin der Johannes Gutenberg-Universität Mainz
A new manufacturing technique uses a process similar to newspaper printing to form smoother and more flexible metals for making ultrafast electronic devices.
The low-cost process, developed by Purdue University researchers, combines tools already used in industry for manufacturing metals on a large scale, but uses...
For the first time ever, scientists have determined the cosmic origin of highest-energy neutrinos. A research group led by IceCube scientist Elisa Resconi, spokesperson of the Collaborative Research Center SFB1258 at the Technical University of Munich (TUM), provides an important piece of evidence that the particles detected by the IceCube neutrino telescope at the South Pole originate from a galaxy four billion light-years away from Earth.
To rule out other origins with certainty, the team led by neutrino physicist Elisa Resconi from the Technical University of Munich and multi-wavelength...
For the first time a team of researchers have discovered two different phases of magnetic skyrmions in a single material. Physicists of the Technical Universities of Munich and Dresden and the University of Cologne can now better study and understand the properties of these magnetic structures, which are important for both basic research and applications.
Whirlpools are an everyday experience in a bath tub: When the water is drained a circular vortex is formed. Typically, such whirls are rather stable. Similar...
Physicists working with Roland Wester at the University of Innsbruck have investigated if and how chemical reactions can be influenced by targeted vibrational excitation of the reactants. They were able to demonstrate that excitation with a laser beam does not affect the efficiency of a chemical exchange reaction and that the excited molecular group acts only as a spectator in the reaction.
A frequently used reaction in organic chemistry is nucleophilic substitution. It plays, for example, an important role in in the synthesis of new chemical...
Optical spectroscopy allows investigating the energy structure and dynamic properties of complex quantum systems. Researchers from the University of Würzburg present two new approaches of coherent two-dimensional spectroscopy.
"Put an excitation into the system and observe how it evolves." According to physicist Professor Tobias Brixner, this is the credo of optical spectroscopy....
13.07.2018 | Event News
12.07.2018 | Event News
03.07.2018 | Event News
20.07.2018 | Power and Electrical Engineering
20.07.2018 | Information Technology
20.07.2018 | Materials Sciences