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KMID : 1146820180200030011
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Asian Journal of Kinesiology
2018 Volume.20 No. 3 p.11 ~ p.18
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Effects of 60% VO2R Intensity Equicaloric Intermittent and Continuous Exercise on EPOC and Fat Oxidation
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Ko Sung-Sik
An Keun-Ok
Lee Sang-Hyoun
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Abstract
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OBJECTIVES: The purpose of this study was to compare excess post-exercise oxygen consumption (EPOC) and energy expenditure during (30min) and following (60min) exercise for a 30min continuous bouts of treadmill exercise at 60%VO2R compared to three 10min bouts of intermittent treadmill exercise at the same intensity.
METHODS: Seventeen fit college-aged males (n=7) and females (n=10) volunteered to participate. Treadmill exercise bouts were separated by 48h and performed in a randomized counter-balanced order. The 30min continuous bout of exercise included a 60min recovery and each of the three 10min bouts included 20min of recovery.
RESULTS: During the rest and exercise, oxygen uptake (VO2) and exercise expenditure (EE) were not significant difference between the intermittent and continuous trails. But during the recovery, VO2 and EE were significantly higher intermittent than continuous trails in male and female (p<.001, p<.001), respectively. During the 30min exercise, VO2 and EE were not significant difference between the intermittent and continuous trails. However, during the 60min recovery, VO2 and EE were significantly higher intermittent than continuous trails in male and female (p<.001, p<.001), respectively. Total VO2 and EE were significantly higher intermittent than continuous trails in male and female (p<.001, p<.029), respectively. Finally, during the 30min exercise, fat oxidation rate was significantly higher intermittent than continuous trails. However, during the 60min recovery, fat oxidation rate was significantly higher continuous than intermittent trails in male and female (p<.001, p<.001), respectively.
CONCLUSIONS: These results suggest that the moderate intensity intermittent exercise can contribute to greater EPOC and exercise-induced energy expenditure compared with a equicaloric continuous exercise.
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KEYWORD
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Continuous exercise, Energy expenditure, Excess post-exercise oxygen consumption, Fat oxidation, Intermittent exercise
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