The aim of this research was to develop a path-flow analysis model from age-group swimmer’s performance
based on biomechanical and energetic parameters. Twenty two young male age-group swimmers with several competitive
levels volunteered to serve as subjects. It was assessed swim velocity, stroke length, stroke frequency, stroke index,
propulsive efficiency, critical velocity and 200 m freestyle event performance. To verify the quality of the model, root
mean square residuals (RMSR) was computed. The confirmatory model explained 54% of swimming performance.
RMSR was 0.064. As a conclusion, the model based in biomechanical and energetic variables, according to the relationships
suggested is appropriated to explain performance in age-group swimmers.
