How is repeated sprint performance affected by different intensities of recovery? Active vs Passive
Cardiff Metropolitan University
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The purpose of this study was to compare the effects of different intensities of recovery on subsequent repeated sprint performance. Nine males who regularly participate in sport performed 6 six second sprints, interspersed with 24 seconds recovery of either passive (sitting), active 1 (0 W, 60 RPM) or active 2 (60 W, 60 RPM) on a cycle ergometer. Mean power, peak power, VO2 and heart rate were measured for each condition. Active 2 recovery resulted in lower mean power (P < 0.05) and peak power (P < 0.05) than passive and active recovery. Active 1 resulted in a lower peak power than passive recovery also (P < 0.05), but no difference was observed in mean power. Active 2 recovery resulted in higher VO2 and heart rate throughout the sprint protocol also (P < 0.05). Recovery was also assessed for three minutes after exercise, with the active 2 condition resulting in higher VO2, than passive recovery, but not active 1, and higher heart rate than active 1 but not passive recovery. In conclusion, active recovery during cycle based repeated sprinting, particularly of moderate intensity (active 2), is associated with reduced performance resulting from greater stress for the body to recovery from.
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