The aim of this paper is to present a smartphone based system to assess daily energy expended in physical activity (PA). Nowadays, sedentary lifestyle is increasingly recognized as a serious, worldwide public health concern, because sedentary behaviors are associated to cardiovascular diseases and premature death. A smartphone application has been developed for data gathering from internal motion sensor, wireless wearable heart rate monitor and user filled out forms. The data collected have been sent to a remote server to estimate the total energy expenditure (TEE), which has been determined by the sum of three components: basal energy expenditure (BEE), physical activity (AEE) and thermic effect of food (TEF). In this study, the subjects have used the developed application for seven consecutive days, which represents a typical week. Then, a profile of their daily TEE has been obtained. The presented system is a useful tool to generate personalized recommendations to maintain energy balance through more active lifestyle and healthier eating habits.
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- Assessment of Energy Expended in Physical Activity by a Smartphone-Based System
Miguel Angel García-González
Juan Jose Ramos-Castro