Endurance training minimizing carbohydrate oxidation by targeting the optimal level of fat/carbohydrate oxidation ratio (OLORFOX)?

The effectiveness of endurance training at low to moderate intensities targeted at the level of maximal lipid oxidation (LIPOXmax) is confirmed by recent international work. It may seem paradoxical, given the low level of caloric expenditure involved. One of the explanations for this paradox is that...

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Bibliographic Details
Published in:Science & sports 2022-11, Vol.37 (7), p.624-628
Main Authors: Myzia, J., Brun, J.-F., Varlet-Marie, E., Bui, G., Raynaud De Mauverger, E., Mercier, J.
Format: Article
Language:English
Subjects:
Entraînement
Exercice
Exercise
Life Sciences
Lipid oxidation
LIPOXmax
NOROLG
Obesity
Obésité
OLORFOX
Oxydation des lipides
Perte de poids
Training
Weight loss
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Summary:The effectiveness of endurance training at low to moderate intensities targeted at the level of maximal lipid oxidation (LIPOXmax) is confirmed by recent international work. It may seem paradoxical, given the low level of caloric expenditure involved. One of the explanations for this paradox is that LIPOXmax training has epigenetic effects and regulatory effects on eating behavior. Indeed, exercise at this level favors satiety and reduces the urge to snack, whereas at higher intensity, in the lipid oxidation zone, 30 to 60minutes of endurance exercise favors food intake and may determine a paradoxical weight gain. In our previously published database of 3739 calorimetries we have recalculated the kinetics of the lipid/carbohydrate oxidation ratio and we observe that it peaks on average 12% below LIPOXmax (39.45%±0.20% vs. 44.87%±0.23% VO2max; P
ISSN:0765-1597
1778-4131
DOI:10.1016/j.scispo.2022.03.003