Comparison Of Fat And Carbohydrate Oxidation After A Maximum Intensity Training Session In Inactive Men

Fatemeh Bemani¹ Marefat Siahkoohian² Soheyla Hemati³

1) Masters Students
2) Perofessor
3) Masters

IOI Code : XEAD-GCEHZ
Publication : Third International Conference and Fifth National Conference on Innovations Sport Sciences(umasport2021.ir)
Abstract :
    Objective: Intensity and volume of sports exercises; By stimulating hormones and enzymes involved in the process of lipolysis and metabolism, they can increase lipolysis and metabolism. The aim of the present study was to compare fat and carbohydrate oxidation after a maximum intensity training session in inactive men. Methods: In this quasi-experimental study and research design, 28 inactive male overweight students performed an increasing exercise test by running on a treadmill with a 50 watt increase every 3 minutes until exhaustion. Respiratory exchange rate (RER) and heart rate during exercise were recorded. The mean volume of inhaled oxygen, expiratory dioxide volume and RER during rest time and the last 3 minutes of workloads were recorded and the amount of oxidation of carbohydrates and fats was calculated using equilibrium equations. The subjects respiratory gases were collected using a gas analyzer in the baseline position for 3 minutes while working on the treadmill until exhaustion. . The gas was sampled continuously and the concentrations of O2 and CO2 in the gas were determined. Student t-test and analysis of variance were used to analyze the data Results: The results showed that carbohydrate metabolism during maximal activity was significantly higher than fat metabolism. Energy cost and carbohydrate metabolism did not show a significant difference between the two groups. Conclusion: In general, it was found that inactive physical fitness is associated with more carbohydrates and less fat oxidation. In addition, the maximum amount of fat oxidation is reduced in inactive people, but with regular exercise, this reduction can be prevented to some extent.

Keywords : fat oxidation carbohydrates oxidation maximal intensity inactive man intensity training session