Effect of three different protocols of aerobic interval exercise over fat oxidation

The objective of this research is to explore the influence of different exercise protocols on fat oxidation. Uncontrolled experimental study. For this purpose, 10 sedentary male subjects were recruited, 30 to 39years old, with elevated body mass index (BMI). Each participant was evaluated in four se...

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Bibliographic Details
Published in:Science & sports 2024-01, Vol.39 (1), p.105-111
Main Authors: Villanueva, S., Trujillo, L.M., Sadarangani, K., von Oetinger, A.
Format: Article
Language:English
Subjects:
Aerobic exercise
Entraînement
Exercice aérobie
Exercice d’intervalle
Exercise intensity
Fat oxidation
Intensité de l’exercice
Interval exercise
Oxydation des graisses
Training
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Summary:The objective of this research is to explore the influence of different exercise protocols on fat oxidation. Uncontrolled experimental study. For this purpose, 10 sedentary male subjects were recruited, 30 to 39years old, with elevated body mass index (BMI). Each participant was evaluated in four separate sessions. The first session consisted in determining peak aerobic power (PAP). The following sessions participants performed three equivalent exercise protocols, consisting of each one in three bouts of 15-minute exercise separated by 5minutes of rest in between. The constant intensity protocol included exercise periods at 55% of PAP, while the other two (increasing and decreasing intensity protocols) consisted in exercise periods at 40, 55 and 70% of PAP in an increasing or decreasing order respectively. There were no significant differences (P>0.05) in total caloric expenditure among the three protocols (range: 5.9±0.2 to 6.1±0.2 kcal·kg−1). DIP causes a progressive increase in fat oxidation comparative to IIP and CIP protocols (P
ISSN:0765-1597
DOI:10.1016/j.scispo.2022.12.010