Abstract
Evaluation of Physical Activity Intensities and Energy Expenditure in Overweight and Obese Adults
Highlights
Western lifestyle characterized by lack of physical activity and diet rich in fat and refined sugars is associated with various non communicable chronic health diseases
Sedentary behaviors are defined as “any waking behavior characterized by an energy expenditure lower than 1.5 Metabolic Equivalent Task values (MET)” and they are associated with the development of several chronic diseases and of the premature mortality in adults [2]
The performances of two portable devices (Actiheart® and Armband®) and the personalized MET values for total energy expenditure (TEE) estimation were compared with the results given by a reference method of indirect calorimetry (Fitmate®) in a population sample of overweight and obese volunteers
Summary
Western lifestyle characterized by lack of physical activity and diet rich in fat and refined sugars is associated with various non communicable chronic health diseases. In 2014, 39% of adults worldwide were overweight and 13% were obese [1]. Sedentary behaviors and an excessively rich diet are responsible for chronic imbalance between energy intake and expenditure favoring the development of obesity and its co-morbidities. Sedentary behaviors are defined as “any waking behavior characterized by an energy expenditure lower than 1.5 METs” and they are associated with the development of several chronic diseases and of the premature mortality in adults [2]. Among the sedentary behaviors, sitting time was 1 to 2.7 hours/day longer in obese than in normalweight population samples according to both studies [4]. Obese people self-reported more time spent watching television or using computers for leisure compared to normal-weight and overweight groups [5]
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