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Integrating physical and cognitive human models to represent driving behavior
This research addresses the divide between cognitive and physical human models by integrating a cognitive human model with a physical human model. This new combined model uses the advantages of each type of model to overcome the weaknesses of the other. The capabilities of the new integrated model...
The effect of bracing availability on force-exertion capability in one-hand isometric pulling tasks
In activities of daily living and industrial tasks people encounter obstructions in their environment that kinematically limit the postures that they can achieve. These obstructions can also provide an opportunity for additional support such as bracing with the hand, thigh or other body part. The...
Hand positions and forces during truck ingress
Many truck drivers are injured each year due to falls while getting into and out of their vehicles. Design guidelines for steps and handholds are not based on biomechanical data and do not reflect a systems approach to design. As part of a broader effort to improve ingress/egress safety, a...
Modeling foot trajectories for heavy truck ingress simulation
Digital human figure models are a useful tool for simulation of driver ingress and egress for passenger cars, light trucks, and heavy commercial trucks. Simulation allows evaluation of the suitability of steps and handholds as a system. Accurate simulation requires detailed, validated algorithms to...
An injury risk curve for the hip for use in frontal impact crash testing
To facilitate the assessment of hip injury risk in frontal motor-vehicle crashes, an injury risk curve that relates peak force transmitted to the hip to the probability of hip fracture was developed by using survival analysis to fit a lognormal distribution to a recently published dataset of hip...
Survival in fatal road crashes body mass index, gender, and safety belt use.
Background: This study evaluated the associations of body mass index (BMI), gender, and use of safety belts with the survival of drivers involved in fatal road crashes. Method: The census data of all U.S. fatal crashes that did not involve pedestrians, bicyclists, or motorcyclists were examined for...
The development of a model to predict the effects of worker and task factors on foot placements in manual material handling tasks
Accurate prediction of foot placements in relation to hand locations during manual materials handling tasks is critical for prospective biomechanical analysis. To address this need, the effects of lifting task conditions and anthropometric variables on foot placements were studied in a laboratory...
Computational investigation of the effects of driver and vehicle interior factors on the risk of knee-thigh-hip injureis in frontal crashes
The effects of seatbelt use, muscle tension, lower-extremity posture, driver fore-aft seat position, seat height, and seat angle on the likelihood of knee, thigh, and hip (KTH) injuries during knee-to-knee-bolster impacts in frontal crashes were studied using a finite element (FE) human model. A...

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