Injury and the role of epidemiology -- Energy characteristics and control strategies -- Research objectives and usable data -- Injury severity -- Injury statistics -- National injury surveillance -- Local injury surveillance -- The use and abuse of causal analysis -- Research designs and data analysis -- Human factors -- Evaluation of programs to change human factors voluntarily -- Evaluation of laws and regulations directed at individual behavior -- Evaluation of agent, vehicle and environmental modifications -- Evaluation of post-injury treatment and rehabilitation -- Injury epidemiology and economics -- Summation of principles