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PURPOSE:This study analyzed the effects of intermittent fasting (IF) on the performance of rats subjected to resistance training ladder climbs (RTLC). METHODS: Thirty-two Wistar rats (80 days old) were divided into 4 groups: Control (C; n = 8): fed a standard diet with no exercise; Intermittent fasting (IF; n = 8): IF for 16h / day fed a standard diet for a period of 8h / day with no exercise; Trained Control (TC; n = 8): fed a standard diet and submitted to RTLC; Trained Intermittent Fasting (TIF; n = 8): IF for 16h / day, fed a standard diet for a period of 8h / day and submitted to RTLC. Training groups completed 6-weeks of RTLC (3x / week). RESULTS: Food intake was higher in TC compared to IF and TIF. TC supported a higher load (g) during the final MLT compared to the C,