Context: The 2014 regulation establishes a new stance to a seated thrower athlete that prevents the performance of sports movements based on functional capacities. Objective: To analyze changes in regulations and discuss their interference in a group of Paralympic athletes. Method: This is a descriptive documentary research that used track and field International Paralympic Committee (IPC) regulations (2013 and 2014) archives and specific academic articles related to that discipline. Results: The Throwing frames conception according to the new rules will restrict the functional potential and performance of a group of athletes that change from F58 to F57 class. Conclusion: The changes in the rules did not take into account the long period of training; the work developed by the coaches; the research in the area, as well as, the extent of the athletes functionality in this sports classification.
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