Tabata-style functional exercise increases resting and postprandial fat oxidation but does not reduce triglyceride
Regis C Pearson1, Alyssa A Olenick1, Edward S Green1
1Department of Kinesiology, College of Education, University of Georgia, 330 River Rd, Athens, GA, 30602, USA.
Experimental Physiology
|January 10, 2020
Summary
High-intensity functional Tabata exercise boosts fat oxidation the day after training. This exercise style enhances fat burning without negatively impacting blood glucose or triglyceride levels.
Area of Science:
- Exercise Physiology
- Metabolic Health
- Sports Science
Background:
- High-intensity functional exercise, such as Tabata, is popular for fitness.
- Understanding its metabolic effects, particularly on substrate oxidation, is crucial.
Purpose of the Study:
- To investigate the metabolic impact of high-intensity functional Tabata exercise (TE) on substrate oxidation.
- To assess the effects of TE on postprandial fat and carbohydrate oxidation, glucose, and triglyceride concentrations.
Main Methods:
- Eleven healthy males participated in a two-day randomized crossover trial.
- Participants underwent either Tabata exercise (TE) or a non-exercise control (CON) on day one.
- A high-fat meal was consumed approximately 13 hours later, with substrate oxidation measured fasted and postprandially.
Main Results:
- Tabata exercise significantly increased fat oxidation at all measured time points compared to the control.
- Carbohydrate oxidation was significantly lower 1 hour postprandially after TE.
- No significant differences were observed in fasting or postprandial glucose or triglyceride concentrations between TE and CON.
Conclusions:
- High-intensity functional Tabata exercise enhances fasting and postprandial fat oxidation the following day.
- TE can be utilized to improve fat oxidation without adverse effects on blood glucose or triglyceride levels.
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