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Applied Research: Miscellaneous

Summaries of Our Applied Research: Miscellaneous

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Driver Distraction

Biomechanical Patterns Of Text-Message Distraction

Summary: Text-message distraction while driving has been associated with an alarming and growing number of injuries and fatalities. This study identified potential biomechanical indications that could potentially serve as a warning with the intent of reducing crashes from texting.  It may be useful to take into account both temporal and biomechanical measures when considering warning systems to detect texting distraction.


Vehicle Seat

Objective Classification Of Vehicle Seat Discomfort

Summary: Discomfort has been studied extensively in order to enhance the seating design process. However, biomechanical and physiological responses relative to subjective discomfort have been largely ignored in the literature.  Considering these responses along with anthropometry may provide insight into why a specific individual reports a seat as uncomfortable.  This study provides preliminary evidence that a few anthropometric factors play a role in physiological responses of the body during prolonged sitting. The interaction between anthropometry and sitting appears to initiate physiological responses that are associated with changes in discomfort reporting.


Anti Fatigue Mat

The Effects Of Mats On Back And Leg Fatigue

Summary:  Prolonged standing is common in many industrial workplaces, as are worker complaints of back and leg discomfort from this.  Mats are often provided to relieve this fatigue, but there is no quantitative evidence that they relieve leg and back fatigue.  In this study, subjects stood on a concrete surface and on each of two mats (Mat 1 – 8 mm thick, 0.55 mm compression, 6.9% compression; Mat 2 – 22 mm thick, 0.49 mm compression, 2.2% compression) for prolonged periods of time. Spectral electro­myo­graphic analyses indicated that mats reduced localized muscle fatigue only in the back (erector spinae muscle). Further, this fatigue reduction occurred only with the more compressible mat (Mat 1). These results imply that localized muscular leg fatigue may not be relieved with “anti-fatigue” mats, and some of these mats only benefit the back.