Analysis of the fast component of the oxygen uptake kinetics after a 10 day long HIIT program in a group of obese men
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Keywords

High-Intensity Interval Training
obesity
oxygen consumption
autonomic disease
adipose tissue

How to Cite

Espinoza-Salinas, A., Arenas-Sánchez, G., Silva-Huenopil, B., Osorio-Marambio, S., Firinguetti-Balocchi, C., & Zafra-Santos, E. (2018). Analysis of the fast component of the oxygen uptake kinetics after a 10 day long HIIT program in a group of obese men. Salud UIS, 50(1), 7–17. https://doi.org/10.18273/revsal.v50n1-2018001

Abstract

Introduction: Obese subjects exhibit a decreased functional capacity (FC) which, among other factors, entails a slower oxygen uptake kinetics associated to a pathological relationship between the adipose tissue and a chronically-deregulated autonomic nervous system, both in resting and exercise conditions. Objective: To analyze the fast-tau behavior of the oxygen consumption off-kinetics, after applying a high intensity and short duration intervallic exercise protocol (HIIT) in a group of obese men. Methodology: An exploratory, comparative, experimental and longitudinal short-term study of 5 obese subjects, selected by intentional non-probabilistic sampling, was designed. Weight, height, body mass index (BMI), waist circumference, kinetics of oxygen consumption and variables related to the procedure were assessed. Data from VO2 v/s time were compiled with Graph Pad Prism v. 6.01 by averaging 10-second intervals and fitted as a bi-exponential model. Subsequently, a descriptive statistical analysis was performed using SigmaPlot v. 12.5, calculating means, standard deviations and ranks. Results: Mean age was 25.13 + 0.62 years. Highest variation when analyzing the results, in both phases of the study (pre-intervention: 43.09 + 7.78 s; post-intervention: 26.85 + 3.78 s), was found in the fast VO2tau (p=0.034). Conclusion: The high-intensity, short-duration training performed over a 10-day period, achieves a positive effect on the rapid kinetic component of VO2 for the studied population, improving recovery time after physical exertion.

https://doi.org/10.18273/revsal.v50n1-2018001
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