Evaluation of impact severity measures for AIS 1 neck injuries in frontal impacts using crash recorder data

Crash pulses were studied of frontal impacts involving 226 adult occupants in Volvo cars equipped with the onboard crash pulse recorder: Digital Accident Research Recorder (DARR). Maximum deltaV as well as mean deceleration and maximum polynomial approximation deceleration (Polmax) were found to be possible impact severity measures for AIS 1 neck injuries. Occupants with AIS 1 neck injuries were found at deltaVmax below 10 km/h, at maximum deceleration below 100 m/s 2 , and at mean deceleration below 20 m/s 2 . This indicates that not only the different impact severity measures influence the injury incidence, but other parameters are influential as well (such as parameters related to occupant characteristics and posture).

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