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Open AccessOpinion

Is It Time to Rethink Our Weight Loss Paradigms?

College of Physical Education and Dance, Federal University of Goiás, Goiânia 74690-900, Brazil
School of Physical Education, Federal University of Pelotas, Pelotas 96055-630, Brazil
College of Physical Education, Federal University of Pará, Castanhal 68746-360, Brazil
Department of Health, Exercise Science, and Recreation Management, Kevser Ermin Applied Physiology Laboratory, The University of Mississippi, Oxford, MS 38677-1848, USA
Author to whom correspondence should be addressed.
Biology 2020, 9(4), 70;
Received: 22 March 2020 / Revised: 30 March 2020 / Accepted: 31 March 2020 / Published: 2 April 2020
(This article belongs to the Section Physiology)
Strategies aiming to promote weight loss usually include anything that results in an increase in energy expenditure (exercise) or a decrease in energy intake (diet). However, the probability of losing weight is low and the probability of sustained weight loss is even lower. Herein, we bring some questions and suggestions about the topic, with a focus on exercise interventions. Based on the current evidence, we should look at how metabolism changes in response to interventions instead of counting calories, so we can choose more efficient models that can account for the complexity of human organisms. In this regard, high-intensity training might be particularly interesting as a strategy to promote fat loss since it seems to promote many physiological changes that might favor long-term weight loss. However, it is important to recognize the controversy of the results regarding interval training (IT), which might be explained by the large variations in its application. For this reason, we have to be more judicious about how exercise is planned and performed and some factors, like supervision, might be important for the results. The intensity of exercise seems to modulate not only how many calories are expended after exercise, but also where they came from. Instead of only estimating the number of calories ingested and expended, it seems that we have to act positively in order to create an adequate environment for promoting healthy and sustainable weight loss. View Full-Text
Keywords: interval training; resistance training; body composition; aerobic training interval training; resistance training; body composition; aerobic training
MDPI and ACS Style

Gentil, P.; Viana, R.B.; Naves, J.P.; Del Vecchio, F.B.; Coswig, V.; Loenneke, J.; de Lira, C.A.B. Is It Time to Rethink Our Weight Loss Paradigms? Biology 2020, 9, 70.

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