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Correct formation during starting block execution is important for injury prevention and obtaining maximum velocity during the sprint. Researchers in applied behavior analysis have evaluated several procedures to improve performance in sports such as gymnastics, football, and, golf. A promising method to improve sports performance is expert modeling plus video feedback. However, there is little research on this method and it has yet to be evaluated with sprinters in track and field. Therefore, the purpose of this study was to evaluate the effectiveness of expert modeling and video feedback to improve form during block starts with track and field sprinters. Results revealed marked improvement from baseline to intervention across all four participants that was maintained at follow-up.