 Objectives: The objectives of the study are to describe: 1 the incidence and prevalence of wheelchair tips, falls, and fall-related injuries; 2 epidemiology of event; 3 injuries associated with event, including mechanism, nature, severity of injury and treatment required; 4 determine risk factors and develop a model for predicting tips and falls; 5 determine healthcare utilization and direct and indirect costs; and 6 describe perceived short- and long-term consequences of falls in SCI. 