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Identification and validation of a logistic regression model for predicting serious injuries associated with motor vehicle crashes
A multivariate logistic regression model, based upon National Automotive Sampling System Crashworthiness Data System (NASS-CDS) data for calendar years 1999-2008, was developed to predict the probability that a crash-involved vehicle will contain one or more occupants with serious or incapacitating...
Driver report of improper seat belt position among 4- to 9-year-old children
OBJECTIVE: To determine the frequency with which drivers report improper seat belt positions among children 4-9 years of age and the frequency with which reported problems were attributable to the lap belt, shoulder belt, or both. SUBJECTS AND METHODS: Analysis of driver responses to 5 questions...
PMHS impact response in low and high-speed nearside impacts
Lateral impact tests were performed using seven male post-mortem human subjects (whole, unembalmed cadavers) to further characterize the response of the body, and in particular the force-deflection response of the lower abdomen, to lateral impact. All tests were performed using a dual-sled, side-...
Measurement of the contour and deflection of vehicle seats for comparison with the FMVSS 213 dynamic test bench
Federal Motor Vehicle Safety Standard (FMVSS) 213 specifies a bench seat that is used in dynamic testing of child restraint systems. To assess the representativeness of the FMVSS 213 bench, data from 54 passenger cars, minivans, and SUVs were analyzed to quantify the side-view profile of the seat...
Assessing the effects of the design population on seat dimensions
Dimensional recommendations for automotive seat design are often based on populations different from the intended user population. Military data are commonly used to provide guidance for seats used by civilians, for example, because detailed military data are more readily obtained. Even when data...
Development of a methodology for simulating seat back interaction using realistic body contours
Seat comfort is driven in part by the fit between the sitter and seat. Traditional anthropometric data provide little information about the size and shape of the torso that can be used for backrest design. This study introduces a methodology for using three-dimensional computer models of the human...
The influence of heavy truck egress tactics on ground reaction force
Slips and falls during cab egress are an important cause of injuries to truck drivers. Previous work has shown that the egress tactics may influence risk. Inward-facing tactics (driver faces the truck) are universally recommended, but biomechanical evidence supporting this recommendation is sparse...
An eyellipse for rear seats with fixed seat back angles
This paper describes the development of the fixed seat eyellipse in the October 2008 revision of SAE Recommended Practice J941. The eye locations of 23 men and women with a wide range of stature were recorded as they sat in each of three second-row bench seats in a laboratory mockup. Testing was...
Effects of obesity on seat belt fit
Introduction: Obesity has been shown to increase the risks of some types of injury in crashes. One way in which obesity may increase injury risk is by changing the routing of the belt relative to the underlying skeletal structures. Methods: Belt fit was measured in a laboratory study of 54 men and...

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