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Occupant Posture and Position Modeling

UMTRI researchers routinely develop customized data-processing and analysis programs using software such as Mathematica, Visual Basic, SQL, and Labview. For example, researchers recently developed a computer program to provide biomechanical researchers and modelers a graphical interface to MS Access for selecting and viewing quantitative data on radiographic-based cervical-spine geometry in the automotive posture based on stature, age, and gender. Researchers routinely use Mathematica to develop customized programs to analyze anthropometry and posture data, and to develop models for posture prediction, seatbelt fit, and other aspects of driver accommodation. Results from these models are used in conjunction with Jack and RAMSIS human models to provide industry human factors and safety engineers with updated design tools for vehicle interior and restraint design to improve driver protection and accommodation.

Recent Publications

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Does Unbelted Safety Requirement Affect Protection For Belted Occupants?
Hu J, Klinich KD, Manary MA, Flannagan CA, Narayanaswamy P, Reed MP, Andreen M, Neal M, Lin CH

journal article IN: Traffic Injury Prevention

Abstract OBJECTIVE: Federal regulations in the United States require vehicles to meet occupant performance requirements with unbelted...

External landmark, body surface, and volume data of a mid-sized male in seated and standing postures
F. S. Gayzik, D. P. Moreno, K. A. Danelson, C. McNally, K. D. Klinich, Joel D. Stitzel.

journal article IN: Annals of Biomedical Engineering. Vol. 40, no. 9 (2012), p. 2019-2032.

The purpose of this study was to acquire external landmark, undeformed surface, and volume data from a prescreened individual...

Quantifying cervical-spine curvature using bezier splines
Kathleen D. Klinich, Sheila M. Ebert, Matthew P. Reed

journal article IN: Journal of Biomechanical Engineering. Vol. 134, issue 11 (Nov. 2012).

Knowledge of the distributions of cervical-spine curvature is needed for computational studies of cervical-spine injury in motor-...

A study of the difference between nominal and actual hand forces in two-handed sagittal plane whole-body exertions
Suzanne G. Hoffman, Matthew P. Reed and Don B. Chaffin.

journal article IN: Ergonomics. Vol. 54, no. 1 (2011), p. 47-59.

Given a task posture, changes in hand force magnitude and direction with regard to joint locations result in variations in joint loads...

Understanding work task assessment sensitivity to the prediction of standing location
Diana M. Wegner, Matthew P. Reed.

conference paper SAE 2011-01-0527

Digital human models (DHM) are now widely used to assess worker tasks as part of manufacturing simulation. With current DHM software,...