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Effects of continuous and intermittent exercise on the footprint record

Abstract:

Introduction: This study aimed to analyze the changes in the footprintrecord produced by a simulated futsal course and continuous running. A secondary purpose was to analyze the response differences between men and women.Methods: Ten active and healthy men (age: 20.4±1.4 years) and 10 women (age: 19.9 ± 1.4 years) volunteered for the study. They performed 3 exercisesessions: an interval running course into a futsal pitch, a continuous running task with the same distance of the course (2500 m) and 30 minutes of continuous running. Before and after the exercise sessions the foot lengths, widths and areas (forefoot, midfoot, rearfoot) were analyzed from the footprint record. Results and conclusions: All the exercise sessions led to significant changes the footprint parameters (0.1-9.1%). Nonetheless, only themidfoot width changed differently by the greater number of steps performed(+8.0%, P < 0.01). The rest of the parameters showed no differences among sessions, thus it seems that, from a given number of steps, the footprint dimensions did not show greater changes, despite the differences in exercise volume or step intensity. Most of these changes were similar between men andwomen.