A comparison of fat metabolism during submaximal exercise following active, passive and no warm-up.
Cardiff Metropolitan University
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The aim of this study was to determine the effects of pre-warming on the fat oxidation response to subsequent submaximal exercise. Eight university students (M=3, F=5) performed three separate trials following a VO2 max test to exhaustion which was used to determine subsequent intensities. Each trial consisted of a 30 minute bout of submaximal exercise (55% VO2 max) preceded by either an active warm-up (intervals of 30s at 100% of VO2 max and 90s at 40% of VO2 max), a passive warm-up (local heating of both legs using hot water perfused denim sleeves), or no warm-up. During the exercise bout, no significant difference was observed between heart rate response, average VO2, energy expenditure or temperature following the three conditions. An increased amount of fat oxidation was demonstrated in trials were pre-warming had occurred compared to the control however there was no significant difference between all three trials (10.26 ±2.88g, 9.18 ±3.17g and 8.76 ±3.27g in the active, passive and control trials respectively). The results of this study suggest that there are no beneficial effects of using a warm-up, whether it is active or passive, over no warm-up, on the fat metabolising properties of subsequent submaximal exercise.
DEGREE OF BACHELOR OF SCIENCE (HONOURS) SPORT AND EXERCISE SCIENCE
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