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Motor vehicle crashes are a major cause of lower extremity trauma, especially leg/foot fractures. Leg/foot fractures occur frequently, are costly, and often result in lifetime impairments. Although current information on the biomechanics of these injuries is limited, it is known that they occur more often in frontal motor vehicle collisions, and that vehicular intrusions of the toe pan and instrument panel have been implicated as possible causes. Current motor vehicle safety standards are designed to protect vehicle occupants from serious injury in collisions with a change in velocity (▵V) of less than 30 mph. Preliminary evidence suggests that collisions resulting in these injuries may occur at delta V's well within the purview of current regulatory standards. This study was designed to develop a data collection instrument with which to capture detailed information on the crash reconstruction, biomechanics, engineering, and orthopaedic aspects of leg/foot fractures.