Toyota City, Japan – Toyota has added new variations to its THUMS (Total HUman Model for Safety) virtual crash-test dummy program. The new figures are of a small female and large male, making it possible for researchers to analyze details to a degree not possible with conventional crash-test dummies.

The 153-cm-tall female and 189-cm-tall male will join the 179-cm-tall, average-built adult male that was introduced in THUMS Version 4 released last year. All three models come as a vehicle occupant or as a pedestrian.

The new models make it possible to take different body sizes into account when conducting analyses of internal injuries caused by automobile collisions.

Toyota plans to add an elderly person and a child model to make an even more diverse range of testing possible.

The company began developing THUMS in 1997. The program allows highly-detailed analysis of bone fractures, severed ligaments and other injuries by simulating many characteristics of the human body, ranging from its shape to its skeletal structure and skin.

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