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    When It Comes to Feet, Cars 'Auto' Be Redesigned

    WebMD Health News
    Reviewed by Gary D. Vogin, MD

    May 31, 2001 -- Advances in automobile safety are obvious: Air bags and seat belts have saved many lives in automobile accidents. But foot safety is being neglected. New research shows foot and ankle injuries as a result of car crashes are on the rise.

    "We have been seeing more survivable accidents because of improvements in safety, but we are running into an increase in the number of serious leg, foot, and ankle injuries," says Paul A. Eisenstein, publisher of, an online magazine that follows the automotive industry.

    Before seat belts and airbags, fewer passengers were surviving accidents, so "minor" injuries were not much of an issue. Now, says Eisenstein, "We may see a serious crush of the legs, yet the passengers survive."

    That's why improvements in the floor panels of cars may be necessary, German researchers report in the May issue of the Journal of Orthopaedic Trauma.

    Lead researcher Martinus Richter, MD, of the trauma department at Hannover Medical School in Germany, and colleagues looked at automobile accident reports and medical records from more than 15,500 car accidents occurring from 1973 to 1996.

    More than 260 front seat occupants -- including drivers and passengers -- sustained foot and ankle fractures as a result of the accidents. Half of these injuries occurred during head-on collisions and 34% occurred in accidents with multiple collisions.

    Foot fractures are mostly caused when the foot compartment crumples during frontal collisions, the German researcher report. "A further increase of foot compartment stability would be essential for prevention of these injuries," they write. This holds true for both light and heavy automobiles.

    To that end, many car manufacturers are taking steps to develop technology that's gentler on the feet, Eisenstein tells WebMD. For example, some companies are developing hardware that crumples better in an accident.

    "Currently what happens is that the whole area gets crushed up in an accident because the hardware can't absorb the impact," Eisenstein says.

    "Some companies are designing the engine so that in an accident instead of penetrating into the passenger [compartment], it may penetrate downward so it doesn't go into the feet," he says. "Manufacturers have been making crushable or deformable pedals that will be more absorbent of the force."

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